Finding the Fourth Proportional to 123,574.82, 170,467.47 and 75,191.49

Step by Step Solution

1. Step 1: Write the proportion equation
   123,574.82 : 170,467.47 = 75,191.49 : x
2. Step 2: Convert to fraction form
   123,574.82/170,467.47 = 75,191.49/x
3. Step 3: Cross multiply
   123,574.82x = 170,467.47 × 75,191.49
4. Step 4: Simplify right side
   123,574.82x = 12,817,703,065.83
5. Step 5: Solve for x
   x = 12,817,703,065.83/123,574.82
6. Step 6: Final answer
   x = 103,724.23