Finding the Fourth Proportional to 123,523.68, 185,240.12 and 42,447.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,523.68 : 185,240.12 = 42,447.70 : x
2. Step 2: Convert to fraction form
   123,523.68/185,240.12 = 42,447.70/x
3. Step 3: Cross multiply
   123,523.68x = 185,240.12 × 42,447.70
4. Step 4: Simplify right side
   123,523.68x = 7,863,017,041.72
5. Step 5: Solve for x
   x = 7,863,017,041.72/123,523.68
6. Step 6: Final answer
   x = 63,655.95