Finding the Fourth Proportional to 9,390,881.30, 14,103,429.15 and 8,215,150.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,390,881.30 : 14,103,429.15 = 8,215,150.10 : x
2. Step 2: Convert to fraction form
   9,390,881.30/14,103,429.15 = 8,215,150.10/x
3. Step 3: Cross multiply
   9,390,881.30x = 14,103,429.15 × 8,215,150.10
4. Step 4: Simplify right side
   9,390,881.30x = 115,861,787,391,965.41
5. Step 5: Solve for x
   x = 115,861,787,391,965.41/9,390,881.30
6. Step 6: Final answer
   x = 12,337,690.54