Finding the Fourth Proportional to 114,542.76, 158,076.90 and 64,245

Step by Step Solution

1. Step 1: Write the proportion equation
   114,542.76 : 158,076.90 = 64,245 : x
2. Step 2: Convert to fraction form
   114,542.76/158,076.90 = 64,245/x
3. Step 3: Cross multiply
   114,542.76x = 158,076.90 × 64,245
4. Step 4: Simplify right side
   114,542.76x = 10,155,650,440.50
5. Step 5: Solve for x
   x = 10,155,650,440.50/114,542.76
6. Step 6: Final answer
   x = 88,662.53