Finding the Fourth Proportional to 89,076, 122,943.60 and 81,894.54

Step by Step Solution

1. Step 1: Write the proportion equation
   89,076 : 122,943.60 = 81,894.54 : x
2. Step 2: Convert to fraction form
   89,076/122,943.60 = 81,894.54/x
3. Step 3: Cross multiply
   89,076x = 122,943.60 × 81,894.54
4. Step 4: Simplify right side
   89,076x = 10,068,409,567.94
5. Step 5: Solve for x
   x = 10,068,409,567.94/89,076
6. Step 6: Final answer
   x = 113,031.68