Finding the Fourth Proportional to 22,531,086.40, 31,096,880.13 and 13,238,654.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,531,086.40 : 31,096,880.13 = 13,238,654.62 : x
2. Step 2: Convert to fraction form
   22,531,086.40/31,096,880.13 = 13,238,654.62/x
3. Step 3: Cross multiply
   22,531,086.40x = 31,096,880.13 × 13,238,654.62
4. Step 4: Simplify right side
   22,531,086.40x = 411,680,855,800,610.69
5. Step 5: Solve for x
   x = 411,680,855,800,610.69/22,531,086.40
6. Step 6: Final answer
   x = 18,271,682.44