Finding the Fourth Proportional to 78,819.12, 117,951.30 and 49,250.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,819.12 : 117,951.30 = 49,250.88 : x
2. Step 2: Convert to fraction form
   78,819.12/117,951.30 = 49,250.88/x
3. Step 3: Cross multiply
   78,819.12x = 117,951.30 × 49,250.88
4. Step 4: Simplify right side
   78,819.12x = 5,809,205,322.14
5. Step 5: Solve for x
   x = 5,809,205,322.14/78,819.12
6. Step 6: Final answer
   x = 73,703.00