Finding the Fourth Proportional to 42,484.50, 58,643.19 and 25,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,484.50 : 58,643.19 = 25,717.50 : x
2. Step 2: Convert to fraction form
   42,484.50/58,643.19 = 25,717.50/x
3. Step 3: Cross multiply
   42,484.50x = 58,643.19 × 25,717.50
4. Step 4: Simplify right side
   42,484.50x = 1,508,156,238.83
5. Step 5: Solve for x
   x = 1,508,156,238.83/42,484.50
6. Step 6: Final answer
   x = 35,498.98