Finding the Fourth Proportional to 85,061.63, 117,385.11 and 49,253.55

Step by Step Solution

1. Step 1: Write the proportion equation
   85,061.63 : 117,385.11 = 49,253.55 : x
2. Step 2: Convert to fraction form
   85,061.63/117,385.11 = 49,253.55/x
3. Step 3: Cross multiply
   85,061.63x = 117,385.11 × 49,253.55
4. Step 4: Simplify right side
   85,061.63x = 5,781,633,384.64
5. Step 5: Solve for x
   x = 5,781,633,384.64/85,061.63
6. Step 6: Final answer
   x = 67,969.94