Finding the Fourth Proportional to 42,135.31, 58,145.20 and 23,272.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,135.31 : 58,145.20 = 23,272.03 : x
2. Step 2: Convert to fraction form
   42,135.31/58,145.20 = 23,272.03/x
3. Step 3: Cross multiply
   42,135.31x = 58,145.20 × 23,272.03
4. Step 4: Simplify right side
   42,135.31x = 1,353,156,838.76
5. Step 5: Solve for x
   x = 1,353,156,838.76/42,135.31
6. Step 6: Final answer
   x = 32,114.56