Finding the Fourth Proportional to 89,287.16, 123,220.14 and 53,483

Step by Step Solution

1. Step 1: Write the proportion equation
   89,287.16 : 123,220.14 = 53,483 : x
2. Step 2: Convert to fraction form
   89,287.16/123,220.14 = 53,483/x
3. Step 3: Cross multiply
   89,287.16x = 123,220.14 × 53,483
4. Step 4: Simplify right side
   89,287.16x = 6,590,182,747.62
5. Step 5: Solve for x
   x = 6,590,182,747.62/89,287.16
6. Step 6: Final answer
   x = 73,808.85