Finding the Fourth Proportional to 123,168.47, 169,974.05 and 74,756.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,168.47 : 169,974.05 = 74,756.39 : x
2. Step 2: Convert to fraction form
   123,168.47/169,974.05 = 74,756.39/x
3. Step 3: Cross multiply
   123,168.47x = 169,974.05 × 74,756.39
4. Step 4: Simplify right side
   123,168.47x = 12,706,645,148.03
5. Step 5: Solve for x
   x = 12,706,645,148.03/123,168.47
6. Step 6: Final answer
   x = 103,164.76