Finding the Fourth Proportional to 112,517.78, 155,289.22 and 64,773.14

Step by Step Solution

1. Step 1: Write the proportion equation
   112,517.78 : 155,289.22 = 64,773.14 : x
2. Step 2: Convert to fraction form
   112,517.78/155,289.22 = 64,773.14/x
3. Step 3: Cross multiply
   112,517.78x = 155,289.22 × 64,773.14
4. Step 4: Simplify right side
   112,517.78x = 10,058,569,449.17
5. Step 5: Solve for x
   x = 10,058,569,449.17/112,517.78
6. Step 6: Final answer
   x = 89,395.38