Finding the Fourth Proportional to 1,552.32, 2,142.18 and 1,155.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.32 : 2,142.18 = 1,155.76 : x
2. Step 2: Convert to fraction form
   1,552.32/2,142.18 = 1,155.76/x
3. Step 3: Cross multiply
   1,552.32x = 2,142.18 × 1,155.76
4. Step 4: Simplify right side
   1,552.32x = 2,475,835.25
5. Step 5: Solve for x
   x = 2,475,835.25/1,552.32
6. Step 6: Final answer
   x = 1,594.93