Finding the Fourth Proportional to 89,417.87, 123,407.39 and 53,627.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,417.87 : 123,407.39 = 53,627.57 : x
2. Step 2: Convert to fraction form
   89,417.87/123,407.39 = 53,627.57/x
3. Step 3: Cross multiply
   89,417.87x = 123,407.39 × 53,627.57
4. Step 4: Simplify right side
   89,417.87x = 6,618,038,123.90
5. Step 5: Solve for x
   x = 6,618,038,123.90/89,417.87
6. Step 6: Final answer
   x = 74,012.48