Finding the Fourth Proportional to 788,385,268.72, 1,087,978,720.22 and 435,984,970.15

Step by Step Solution

1. Step 1: Write the proportion equation
   788,385,268.72 : 1,087,978,720.22 = 435,984,970.15 : x
2. Step 2: Convert to fraction form
   788,385,268.72/1,087,978,720.22 = 435,984,970.15/x
3. Step 3: Cross multiply
   788,385,268.72x = 1,087,978,720.22 × 435,984,970.15
4. Step 4: Simplify right side
   788,385,268.72x = 474,342,369,858,951,872
5. Step 5: Solve for x
   x = 474,342,369,858,951,872/788,385,268.72
6. Step 6: Final answer
   x = 601,663,157.19