Finding the Fourth Proportional to 85,134.16, 117,499.71 and 49,346.20

Step by Step Solution

1. Step 1: Write the proportion equation
   85,134.16 : 117,499.71 = 49,346.20 : x
2. Step 2: Convert to fraction form
   85,134.16/117,499.71 = 49,346.20/x
3. Step 3: Cross multiply
   85,134.16x = 117,499.71 × 49,346.20
4. Step 4: Simplify right side
   85,134.16x = 5,798,164,189.60
5. Step 5: Solve for x
   x = 5,798,164,189.60/85,134.16
6. Step 6: Final answer
   x = 68,106.20