Finding the Fourth Proportional to 79,430.80, 109,665.82 and 49,248.18

Step by Step Solution

1. Step 1: Write the proportion equation
   79,430.80 : 109,665.82 = 49,248.18 : x
2. Step 2: Convert to fraction form
   79,430.80/109,665.82 = 49,248.18/x
3. Step 3: Cross multiply
   79,430.80x = 109,665.82 × 49,248.18
4. Step 4: Simplify right side
   79,430.80x = 5,400,842,043.21
5. Step 5: Solve for x
   x = 5,400,842,043.21/79,430.80
6. Step 6: Final answer
   x = 67,994.31