Finding the Fourth Proportional to 89,610.52, 123,681.20 and 53,802.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,610.52 : 123,681.20 = 53,802.04 : x
2. Step 2: Convert to fraction form
   89,610.52/123,681.20 = 53,802.04/x
3. Step 3: Cross multiply
   89,610.52x = 123,681.20 × 53,802.04
4. Step 4: Simplify right side
   89,610.52x = 6,654,300,869.65
5. Step 5: Solve for x
   x = 6,654,300,869.65/89,610.52
6. Step 6: Final answer
   x = 74,258.03