Finding the Fourth Proportional to 83,920.08, 115,796.16 and 48,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,920.08 : 115,796.16 = 48,103.50 : x
2. Step 2: Convert to fraction form
   83,920.08/115,796.16 = 48,103.50/x
3. Step 3: Cross multiply
   83,920.08x = 115,796.16 × 48,103.50
4. Step 4: Simplify right side
   83,920.08x = 5,570,200,582.56
5. Step 5: Solve for x
   x = 5,570,200,582.56/83,920.08
6. Step 6: Final answer
   x = 66,375.06