Finding the Fourth Proportional to 89,371.02, 123,280.52 and 53,540.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,371.02 : 123,280.52 = 53,540.28 : x
2. Step 2: Convert to fraction form
   89,371.02/123,280.52 = 53,540.28/x
3. Step 3: Cross multiply
   89,371.02x = 123,280.52 × 53,540.28
4. Step 4: Simplify right side
   89,371.02x = 6,600,473,559.35
5. Step 5: Solve for x
   x = 6,600,473,559.35/89,371.02
6. Step 6: Final answer
   x = 73,854.74