Finding the Fourth Proportional to 1,434,144,440.72, 1,980,034,732 and 1,170,456,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,144,440.72 : 1,980,034,732 = 1,170,456,392.72 : x
2. Step 2: Convert to fraction form
   1,434,144,440.72/1,980,034,732 = 1,170,456,392.72/x
3. Step 3: Cross multiply
   1,434,144,440.72x = 1,980,034,732 × 1,170,456,392.72
4. Step 4: Simplify right side
   1,434,144,440.72x = 2,317,544,309,877,031,936
5. Step 5: Solve for x
   x = 2,317,544,309,877,031,936/1,434,144,440.72
6. Step 6: Final answer
   x = 1,615,976,915.63