Finding the Fourth Proportional to 123,160.28, 169,973.36 and 74,758.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,160.28 : 169,973.36 = 74,758.38 : x
2. Step 2: Convert to fraction form
   123,160.28/169,973.36 = 74,758.38/x
3. Step 3: Cross multiply
   123,160.28x = 169,973.36 × 74,758.38
4. Step 4: Simplify right side
   123,160.28x = 12,706,933,036.76
5. Step 5: Solve for x
   x = 12,706,933,036.76/123,160.28
6. Step 6: Final answer
   x = 103,173.95