Finding the Fourth Proportional to 72,011,128.84, 99,375,977.42 and 41,072,864.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,011,128.84 : 99,375,977.42 = 41,072,864.56 : x
2. Step 2: Convert to fraction form
   72,011,128.84/99,375,977.42 = 41,072,864.56/x
3. Step 3: Cross multiply
   72,011,128.84x = 99,375,977.42 × 41,072,864.56
4. Step 4: Simplify right side
   72,011,128.84x = 4,081,656,061,089,278.50
5. Step 5: Solve for x
   x = 4,081,656,061,089,278.50/72,011,128.84
6. Step 6: Final answer
   x = 56,680,906.50