Finding the Fourth Proportional to 79,085.88, 109,128.96 and 47,248.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,085.88 : 109,128.96 = 47,248.56 : x
2. Step 2: Convert to fraction form
   79,085.88/109,128.96 = 47,248.56/x
3. Step 3: Cross multiply
   79,085.88x = 109,128.96 × 47,248.56
4. Step 4: Simplify right side
   79,085.88x = 5,156,186,214.30
5. Step 5: Solve for x
   x = 5,156,186,214.30/79,085.88
6. Step 6: Final answer
   x = 65,197.30