Finding the Fourth Proportional to 1,677.24, 2,313.72 and 1,087.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.24 : 2,313.72 = 1,087.62 : x
2. Step 2: Convert to fraction form
   1,677.24/2,313.72 = 1,087.62/x
3. Step 3: Cross multiply
   1,677.24x = 2,313.72 × 1,087.62
4. Step 4: Simplify right side
   1,677.24x = 2,516,448.15
5. Step 5: Solve for x
   x = 2,516,448.15/1,677.24
6. Step 6: Final answer
   x = 1,500.35