Finding the Fourth Proportional to 42,391.76, 58,500.88 and 26,485.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,391.76 : 58,500.88 = 26,485.46 : x
2. Step 2: Convert to fraction form
   42,391.76/58,500.88 = 26,485.46/x
3. Step 3: Cross multiply
   42,391.76x = 58,500.88 × 26,485.46
4. Step 4: Simplify right side
   42,391.76x = 1,549,422,717.20
5. Step 5: Solve for x
   x = 1,549,422,717.20/42,391.76
6. Step 6: Final answer
   x = 36,550.09