Finding the Fourth Proportional to 28,002,354, 42,010,616.88 and 7,807,596

Step by Step Solution

1. Step 1: Write the proportion equation
   28,002,354 : 42,010,616.88 = 7,807,596 : x
2. Step 2: Convert to fraction form
   28,002,354/42,010,616.88 = 7,807,596/x
3. Step 3: Cross multiply
   28,002,354x = 42,010,616.88 × 7,807,596
4. Step 4: Simplify right side
   28,002,354x = 328,001,924,309,820.50
5. Step 5: Solve for x
   x = 328,001,924,309,820.50/28,002,354
6. Step 6: Final answer
   x = 11,713,369.68