Finding the Fourth Proportional to 42,393.79, 58,356.61 and 36,648.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,393.79 : 58,356.61 = 36,648.59 : x
2. Step 2: Convert to fraction form
   42,393.79/58,356.61 = 36,648.59/x
3. Step 3: Cross multiply
   42,393.79x = 58,356.61 × 36,648.59
4. Step 4: Simplify right side
   42,393.79x = 2,138,687,527.95
5. Step 5: Solve for x
   x = 2,138,687,527.95/42,393.79
6. Step 6: Final answer
   x = 50,448.14