Finding the Fourth Proportional to 23,127.27, 31,915.77 and 13,056.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,127.27 : 31,915.77 = 13,056.12 : x
2. Step 2: Convert to fraction form
   23,127.27/31,915.77 = 13,056.12/x
3. Step 3: Cross multiply
   23,127.27x = 31,915.77 × 13,056.12
4. Step 4: Simplify right side
   23,127.27x = 416,696,123.01
5. Step 5: Solve for x
   x = 416,696,123.01/23,127.27
6. Step 6: Final answer
   x = 18,017.52