Finding the Fourth Proportional to 72,341,152,938.63, 99,830,873,819.43 and 40,225,825,564.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,341,152,938.63 : 99,830,873,819.43 = 40,225,825,564.56 : x
2. Step 2: Convert to fraction form
   72,341,152,938.63/99,830,873,819.43 = 40,225,825,564.56/x
3. Step 3: Cross multiply
   72,341,152,938.63x = 99,830,873,819.43 × 40,225,825,564.56
4. Step 4: Simplify right side
   72,341,152,938.63x = 4,015,779,316,218,071,613,440
5. Step 5: Solve for x
   x = 4,015,779,316,218,071,613,440/72,341,152,938.63
6. Step 6: Final answer
   x = 55,511,685,300.69