Finding the Fourth Proportional to 8,902,609.82, 12,281,700.90 and 5,229,869.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902,609.82 : 12,281,700.90 = 5,229,869.55 : x
2. Step 2: Convert to fraction form
   8,902,609.82/12,281,700.90 = 5,229,869.55/x
3. Step 3: Cross multiply
   8,902,609.82x = 12,281,700.90 × 5,229,869.55
4. Step 4: Simplify right side
   8,902,609.82x = 64,231,693,559,117.59
5. Step 5: Solve for x
   x = 64,231,693,559,117.59/8,902,609.82
6. Step 6: Final answer
   x = 7,214,928.53