Finding the Fourth Proportional to 1,185,397,621.52, 1,635,827,507.72 and 656,751,004.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,397,621.52 : 1,635,827,507.72 = 656,751,004.88 : x
2. Step 2: Convert to fraction form
   1,185,397,621.52/1,635,827,507.72 = 656,751,004.88/x
3. Step 3: Cross multiply
   1,185,397,621.52x = 1,635,827,507.72 × 656,751,004.88
4. Step 4: Simplify right side
   1,185,397,621.52x = 1,074,331,359,505,456,000
5. Step 5: Solve for x
   x = 1,074,331,359,505,456,000/1,185,397,621.52
6. Step 6: Final answer
   x = 906,304,635.68