Finding the Fourth Proportional to 42,531.09, 58,699.35 and 25,544.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,531.09 : 58,699.35 = 25,544.71 : x
2. Step 2: Convert to fraction form
   42,531.09/58,699.35 = 25,544.71/x
3. Step 3: Cross multiply
   42,531.09x = 58,699.35 × 25,544.71
4. Step 4: Simplify right side
   42,531.09x = 1,499,457,872.94
5. Step 5: Solve for x
   x = 1,499,457,872.94/42,531.09
6. Step 6: Final answer
   x = 35,255.57