Finding the Fourth Proportional to 94,216.40, 141,065.40 and 89,550.80

Step by Step Solution

1. Step 1: Write the proportion equation
   94,216.40 : 141,065.40 = 89,550.80 : x
2. Step 2: Convert to fraction form
   94,216.40/141,065.40 = 89,550.80/x
3. Step 3: Cross multiply
   94,216.40x = 141,065.40 × 89,550.80
4. Step 4: Simplify right side
   94,216.40x = 12,632,519,422.32
5. Step 5: Solve for x
   x = 12,632,519,422.32/94,216.40
6. Step 6: Final answer
   x = 134,079.84