Finding the Fourth Proportional to 1,124.19, 1,552.37 and 1,087.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.19 : 1,552.37 = 1,087.47 : x
2. Step 2: Convert to fraction form
   1,124.19/1,552.37 = 1,087.47/x
3. Step 3: Cross multiply
   1,124.19x = 1,552.37 × 1,087.47
4. Step 4: Simplify right side
   1,124.19x = 1,688,150.37
5. Step 5: Solve for x
   x = 1,688,150.37/1,124.19
6. Step 6: Final answer
   x = 1,501.66