Finding the Fourth Proportional to 23,142.08, 31,934.27 and 13,071.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.08 : 31,934.27 = 13,071.53 : x
2. Step 2: Convert to fraction form
   23,142.08/31,934.27 = 13,071.53/x
3. Step 3: Cross multiply
   23,142.08x = 31,934.27 × 13,071.53
4. Step 4: Simplify right side
   23,142.08x = 417,429,702.98
5. Step 5: Solve for x
   x = 417,429,702.98/23,142.08
6. Step 6: Final answer
   x = 18,037.69