Finding the Fourth Proportional to 765,150,978.71, 1,056,234,160.67 and 514,400,796.47

Step by Step Solution

1. Step 1: Write the proportion equation
   765,150,978.71 : 1,056,234,160.67 = 514,400,796.47 : x
2. Step 2: Convert to fraction form
   765,150,978.71/1,056,234,160.67 = 514,400,796.47/x
3. Step 3: Cross multiply
   765,150,978.71x = 1,056,234,160.67 × 514,400,796.47
4. Step 4: Simplify right side
   765,150,978.71x = 543,327,693,511,396,544
5. Step 5: Solve for x
   x = 543,327,693,511,396,544/765,150,978.71
6. Step 6: Final answer
   x = 710,092,136.88