Finding the Fourth Proportional to 80,185.24, 120,146.52 and 42,705.52

Step by Step Solution

1. Step 1: Write the proportion equation
   80,185.24 : 120,146.52 = 42,705.52 : x
2. Step 2: Convert to fraction form
   80,185.24/120,146.52 = 42,705.52/x
3. Step 3: Cross multiply
   80,185.24x = 120,146.52 × 42,705.52
4. Step 4: Simplify right side
   80,185.24x = 5,130,919,612.79
5. Step 5: Solve for x
   x = 5,130,919,612.79/80,185.24
6. Step 6: Final answer
   x = 63,988.33