Finding the Fourth Proportional to 89,227.58, 123,144.35 and 53,417.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,227.58 : 123,144.35 = 53,417.57 : x
2. Step 2: Convert to fraction form
   89,227.58/123,144.35 = 53,417.57/x
3. Step 3: Cross multiply
   89,227.58x = 123,144.35 × 53,417.57
4. Step 4: Simplify right side
   89,227.58x = 6,578,071,053.42
5. Step 5: Solve for x
   x = 6,578,071,053.42/89,227.58
6. Step 6: Final answer
   x = 73,722.40