Finding the Fourth Proportional to 42,039.48, 58,041.50 and 26,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039.48 : 58,041.50 = 26,145.56 : x
2. Step 2: Convert to fraction form
   42,039.48/58,041.50 = 26,145.56/x
3. Step 3: Cross multiply
   42,039.48x = 58,041.50 × 26,145.56
4. Step 4: Simplify right side
   42,039.48x = 1,517,527,520.74
5. Step 5: Solve for x
   x = 1,517,527,520.74/42,039.48
6. Step 6: Final answer
   x = 36,097.68