Finding the Fourth Proportional to 123,813.52, 170,901.50 and 79,101.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,813.52 : 170,901.50 = 79,101.52 : x
2. Step 2: Convert to fraction form
   123,813.52/170,901.50 = 79,101.52/x
3. Step 3: Cross multiply
   123,813.52x = 170,901.50 × 79,101.52
4. Step 4: Simplify right side
   123,813.52x = 13,518,568,420.28
5. Step 5: Solve for x
   x = 13,518,568,420.28/123,813.52
6. Step 6: Final answer
   x = 109,184.91