Finding the Fourth Proportional to 79,425.28, 109,608.72 and 45,436.96

Step by Step Solution

1. Step 1: Write the proportion equation
   79,425.28 : 109,608.72 = 45,436.96 : x
2. Step 2: Convert to fraction form
   79,425.28/109,608.72 = 45,436.96/x
3. Step 3: Cross multiply
   79,425.28x = 109,608.72 × 45,436.96
4. Step 4: Simplify right side
   79,425.28x = 4,980,287,026.29
5. Step 5: Solve for x
   x = 4,980,287,026.29/79,425.28
6. Step 6: Final answer
   x = 62,704.05