Finding the Fourth Proportional to 56,599.86, 78,108.27 and 35,391.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,599.86 : 78,108.27 = 35,391.42 : x
2. Step 2: Convert to fraction form
   56,599.86/78,108.27 = 35,391.42/x
3. Step 3: Cross multiply
   56,599.86x = 78,108.27 × 35,391.42
4. Step 4: Simplify right side
   56,599.86x = 2,764,362,589.04
5. Step 5: Solve for x
   x = 2,764,362,589.04/56,599.86
6. Step 6: Final answer
   x = 48,840.45