Finding the Fourth Proportional to 52,281,080.64, 72,147,493.12 and 28,759,112.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,281,080.64 : 72,147,493.12 = 28,759,112.17 : x
2. Step 2: Convert to fraction form
   52,281,080.64/72,147,493.12 = 28,759,112.17/x
3. Step 3: Cross multiply
   52,281,080.64x = 72,147,493.12 × 28,759,112.17
4. Step 4: Simplify right side
   52,281,080.64x = 2,074,897,847,548,516.75
5. Step 5: Solve for x
   x = 2,074,897,847,548,516.75/52,281,080.64
6. Step 6: Final answer
   x = 39,687,355.77