Finding the Fourth Proportional to 89,170.47, 123,059.12 and 53,353.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,170.47 : 123,059.12 = 53,353.62 : x
2. Step 2: Convert to fraction form
   89,170.47/123,059.12 = 53,353.62/x
3. Step 3: Cross multiply
   89,170.47x = 123,059.12 × 53,353.62
4. Step 4: Simplify right side
   89,170.47x = 6,565,649,259.25
5. Step 5: Solve for x
   x = 6,565,649,259.25/89,170.47
6. Step 6: Final answer
   x = 73,630.31