Finding the Fourth Proportional to 42,149.72, 58,161.66 and 23,285.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,149.72 : 58,161.66 = 23,285.72 : x
2. Step 2: Convert to fraction form
   42,149.72/58,161.66 = 23,285.72/x
3. Step 3: Cross multiply
   42,149.72x = 58,161.66 × 23,285.72
4. Step 4: Simplify right side
   42,149.72x = 1,354,336,129.50
5. Step 5: Solve for x
   x = 1,354,336,129.50/42,149.72
6. Step 6: Final answer
   x = 32,131.56