Finding the Fourth Proportional to 85,216.28, 117,598.86 and 49,427.48

Step by Step Solution

1. Step 1: Write the proportion equation
   85,216.28 : 117,598.86 = 49,427.48 : x
2. Step 2: Convert to fraction form
   85,216.28/117,598.86 = 49,427.48/x
3. Step 3: Cross multiply
   85,216.28x = 117,598.86 × 49,427.48
4. Step 4: Simplify right side
   85,216.28x = 5,812,615,300.67
5. Step 5: Solve for x
   x = 5,812,615,300.67/85,216.28
6. Step 6: Final answer
   x = 68,210.15