Finding the Fourth Proportional to 42,138.45, 58,150.91 and 23,275.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,138.45 : 58,150.91 = 23,275.57 : x
2. Step 2: Convert to fraction form
   42,138.45/58,150.91 = 23,275.57/x
3. Step 3: Cross multiply
   42,138.45x = 58,150.91 × 23,275.57
4. Step 4: Simplify right side
   42,138.45x = 1,353,495,576.27
5. Step 5: Solve for x
   x = 1,353,495,576.27/42,138.45
6. Step 6: Final answer
   x = 32,120.20