Finding the Fourth Proportional to 31,915.01, 47,801.23 and 23,129.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915.01 : 47,801.23 = 23,129.75 : x
2. Step 2: Convert to fraction form
   31,915.01/47,801.23 = 23,129.75/x
3. Step 3: Cross multiply
   31,915.01x = 47,801.23 × 23,129.75
4. Step 4: Simplify right side
   31,915.01x = 1,105,630,499.59
5. Step 5: Solve for x
   x = 1,105,630,499.59/31,915.01
6. Step 6: Final answer
   x = 34,642.96