Finding the Fourth Proportional to 78,763.94, 108,702.67 and 48,155

Step by Step Solution

1. Step 1: Write the proportion equation
   78,763.94 : 108,702.67 = 48,155 : x
2. Step 2: Convert to fraction form
   78,763.94/108,702.67 = 48,155/x
3. Step 3: Cross multiply
   78,763.94x = 108,702.67 × 48,155
4. Step 4: Simplify right side
   78,763.94x = 5,234,577,073.85
5. Step 5: Solve for x
   x = 5,234,577,073.85/78,763.94
6. Step 6: Final answer
   x = 66,459.06