Finding the Fourth Proportional to 8,902,609.57, 12,281,700.56 and 5,229,869.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902,609.57 : 12,281,700.56 = 5,229,869.30 : x
2. Step 2: Convert to fraction form
   8,902,609.57/12,281,700.56 = 5,229,869.30/x
3. Step 3: Cross multiply
   8,902,609.57x = 12,281,700.56 × 5,229,869.30
4. Step 4: Simplify right side
   8,902,609.57x = 64,231,688,622,978.95
5. Step 5: Solve for x
   x = 64,231,688,622,978.95/8,902,609.57
6. Step 6: Final answer
   x = 7,214,928.18