Finding the Fourth Proportional to 89,173.47, 123,063.27 and 53,356.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,173.47 : 123,063.27 = 53,356.62 : x
2. Step 2: Convert to fraction form
   89,173.47/123,063.27 = 53,356.62/x
3. Step 3: Cross multiply
   89,173.47x = 123,063.27 × 53,356.62
4. Step 4: Simplify right side
   89,173.47x = 6,566,240,133.35
5. Step 5: Solve for x
   x = 6,566,240,133.35/89,173.47
6. Step 6: Final answer
   x = 73,634.46