Finding the Fourth Proportional to 42,530.09, 58,697.97 and 25,543.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,530.09 : 58,697.97 = 25,543.71 : x
2. Step 2: Convert to fraction form
   42,530.09/58,697.97 = 25,543.71/x
3. Step 3: Cross multiply
   42,530.09x = 58,697.97 × 25,543.71
4. Step 4: Simplify right side
   42,530.09x = 1,499,363,923.27
5. Step 5: Solve for x
   x = 1,499,363,923.27/42,530.09
6. Step 6: Final answer
   x = 35,254.19