Finding the Fourth Proportional to 8,142,502.90, 12,216,118.24 and 3,282,301.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,142,502.90 : 12,216,118.24 = 3,282,301.20 : x
2. Step 2: Convert to fraction form
   8,142,502.90/12,216,118.24 = 3,282,301.20/x
3. Step 3: Cross multiply
   8,142,502.90x = 12,216,118.24 × 3,282,301.20
4. Step 4: Simplify right side
   8,142,502.90x = 40,096,979,558,493.89
5. Step 5: Solve for x
   x = 40,096,979,558,493.89/8,142,502.90
6. Step 6: Final answer
   x = 4,924,404.70