Finding the Fourth Proportional to 56,598.86, 78,106.90 and 35,390.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,598.86 : 78,106.90 = 35,390.42 : x
2. Step 2: Convert to fraction form
   56,598.86/78,106.90 = 35,390.42/x
3. Step 3: Cross multiply
   56,598.86x = 78,106.90 × 35,390.42
4. Step 4: Simplify right side
   56,598.86x = 2,764,235,995.90
5. Step 5: Solve for x
   x = 2,764,235,995.90/56,598.86
6. Step 6: Final answer
   x = 48,839.08