Finding the Fourth Proportional to 80,793.59, 111,499.75 and 48,538.07

Step by Step Solution

1. Step 1: Write the proportion equation
   80,793.59 : 111,499.75 = 48,538.07 : x
2. Step 2: Convert to fraction form
   80,793.59/111,499.75 = 48,538.07/x
3. Step 3: Cross multiply
   80,793.59x = 111,499.75 × 48,538.07
4. Step 4: Simplify right side
   80,793.59x = 5,411,983,130.43
5. Step 5: Solve for x
   x = 5,411,983,130.43/80,793.59
6. Step 6: Final answer
   x = 66,985.30