Finding the Fourth Proportional to 42,349.91, 58,445.30 and 25,588.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,349.91 : 58,445.30 = 25,588.31 : x
2. Step 2: Convert to fraction form
   42,349.91/58,445.30 = 25,588.31/x
3. Step 3: Cross multiply
   42,349.91x = 58,445.30 × 25,588.31
4. Step 4: Simplify right side
   42,349.91x = 1,495,516,326.50
5. Step 5: Solve for x
   x = 1,495,516,326.50/42,349.91
6. Step 6: Final answer
   x = 35,313.33