Finding the Fourth Proportional to 89,116.88, 123,000.54 and 53,314.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,116.88 : 123,000.54 = 53,314.88 : x
2. Step 2: Convert to fraction form
   89,116.88/123,000.54 = 53,314.88/x
3. Step 3: Cross multiply
   89,116.88x = 123,000.54 × 53,314.88
4. Step 4: Simplify right side
   89,116.88x = 6,557,759,030.04
5. Step 5: Solve for x
   x = 6,557,759,030.04/89,116.88
6. Step 6: Final answer
   x = 73,586.05