Finding the Fourth Proportional to 123,598.71, 185,186.45 and 67,478.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123,598.71 : 185,186.45 = 67,478.27 : x
2. Step 2: Convert to fraction form
   123,598.71/185,186.45 = 67,478.27/x
3. Step 3: Cross multiply
   123,598.71x = 185,186.45 × 67,478.27
4. Step 4: Simplify right side
   123,598.71x = 12,496,060,516.20
5. Step 5: Solve for x
   x = 12,496,060,516.20/123,598.71
6. Step 6: Final answer
   x = 101,101.87