Finding the Fourth Proportional to 78,321.50, 108,090.15 and 44,793.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,321.50 : 108,090.15 = 44,793.98 : x
2. Step 2: Convert to fraction form
   78,321.50/108,090.15 = 44,793.98/x
3. Step 3: Cross multiply
   78,321.50x = 108,090.15 × 44,793.98
4. Step 4: Simplify right side
   78,321.50x = 4,841,788,017.30
5. Step 5: Solve for x
   x = 4,841,788,017.30/78,321.50
6. Step 6: Final answer
   x = 61,819.40