Finding the Fourth Proportional to 61,921.18, 85,456.55 and 35,068.42

Step by Step Solution

1. Step 1: Write the proportion equation
   61,921.18 : 85,456.55 = 35,068.42 : x
2. Step 2: Convert to fraction form
   61,921.18/85,456.55 = 35,068.42/x
3. Step 3: Cross multiply
   61,921.18x = 85,456.55 × 35,068.42
4. Step 4: Simplify right side
   61,921.18x = 2,996,826,187.15
5. Step 5: Solve for x
   x = 2,996,826,187.15/61,921.18
6. Step 6: Final answer
   x = 48,397.43