Finding the Fourth Proportional to 79,477.48, 109,689.43 and 51,265.18

Step by Step Solution

1. Step 1: Write the proportion equation
   79,477.48 : 109,689.43 = 51,265.18 : x
2. Step 2: Convert to fraction form
   79,477.48/109,689.43 = 51,265.18/x
3. Step 3: Cross multiply
   79,477.48x = 109,689.43 × 51,265.18
4. Step 4: Simplify right side
   79,477.48x = 5,623,248,116.72
5. Step 5: Solve for x
   x = 5,623,248,116.72/79,477.48
6. Step 6: Final answer
   x = 70,752.72