Finding the Fourth Proportional to 85,422.84, 117,883.50 and 49,615.15

Step by Step Solution

1. Step 1: Write the proportion equation
   85,422.84 : 117,883.50 = 49,615.15 : x
2. Step 2: Convert to fraction form
   85,422.84/117,883.50 = 49,615.15/x
3. Step 3: Cross multiply
   85,422.84x = 117,883.50 × 49,615.15
4. Step 4: Simplify right side
   85,422.84x = 5,848,807,286.95
5. Step 5: Solve for x
   x = 5,848,807,286.95/85,422.84
6. Step 6: Final answer
   x = 68,468.90