Finding the Fourth Proportional to 42,388.80, 58,502.63 and 25,393.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,388.80 : 58,502.63 = 25,393.76 : x
2. Step 2: Convert to fraction form
   42,388.80/58,502.63 = 25,393.76/x
3. Step 3: Cross multiply
   42,388.80x = 58,502.63 × 25,393.76
4. Step 4: Simplify right side
   42,388.80x = 1,485,601,829.06
5. Step 5: Solve for x
   x = 1,485,601,829.06/42,388.80
6. Step 6: Final answer
   x = 35,047.04