Finding the Fourth Proportional to 85,061.61, 117,377.39 and 49,254.05

Step by Step Solution

1. Step 1: Write the proportion equation
   85,061.61 : 117,377.39 = 49,254.05 : x
2. Step 2: Convert to fraction form
   85,061.61/117,377.39 = 49,254.05/x
3. Step 3: Cross multiply
   85,061.61x = 117,377.39 × 49,254.05
4. Step 4: Simplify right side
   85,061.61x = 5,781,311,002.77
5. Step 5: Solve for x
   x = 5,781,311,002.77/85,061.61
6. Step 6: Final answer
   x = 67,966.16