Finding the Fourth Proportional to 85,141.78, 117,495.69 and 49,352.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,141.78 : 117,495.69 = 49,352.56 : x
2. Step 2: Convert to fraction form
   85,141.78/117,495.69 = 49,352.56/x
3. Step 3: Cross multiply
   85,141.78x = 117,495.69 × 49,352.56
4. Step 4: Simplify right side
   85,141.78x = 5,798,712,611.66
5. Step 5: Solve for x
   x = 5,798,712,611.66/85,141.78
6. Step 6: Final answer
   x = 68,106.55