Finding the Fourth Proportional to 115,474.02, 159,265.89 and 79,723.86

Step by Step Solution

1. Step 1: Write the proportion equation
   115,474.02 : 159,265.89 = 79,723.86 : x
2. Step 2: Convert to fraction form
   115,474.02/159,265.89 = 79,723.86/x
3. Step 3: Cross multiply
   115,474.02x = 159,265.89 × 79,723.86
4. Step 4: Simplify right side
   115,474.02x = 12,697,291,517.14
5. Step 5: Solve for x
   x = 12,697,291,517.14/115,474.02
6. Step 6: Final answer
   x = 109,957.99