Finding the Fourth Proportional to 123,818.51, 185,432.51 and 67,574.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,818.51 : 185,432.51 = 67,574.34 : x
2. Step 2: Convert to fraction form
   123,818.51/185,432.51 = 67,574.34/x
3. Step 3: Cross multiply
   123,818.51x = 185,432.51 × 67,574.34
4. Step 4: Simplify right side
   123,818.51x = 12,530,479,139.92
5. Step 5: Solve for x
   x = 12,530,479,139.92/123,818.51
6. Step 6: Final answer
   x = 101,200.38