Finding the Fourth Proportional to 123,017.52, 169,776.73 and 75,302.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,017.52 : 169,776.73 = 75,302.40 : x
2. Step 2: Convert to fraction form
   123,017.52/169,776.73 = 75,302.40/x
3. Step 3: Cross multiply
   123,017.52x = 169,776.73 × 75,302.40
4. Step 4: Simplify right side
   123,017.52x = 12,784,595,044.90
5. Step 5: Solve for x
   x = 12,784,595,044.90/123,017.52
6. Step 6: Final answer
   x = 103,924.99