Finding the Fourth Proportional to 1,870.64, 2,581.61 and 1,124.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.64 : 2,581.61 = 1,124.58 : x
2. Step 2: Convert to fraction form
   1,870.64/2,581.61 = 1,124.58/x
3. Step 3: Cross multiply
   1,870.64x = 2,581.61 × 1,124.58
4. Step 4: Simplify right side
   1,870.64x = 2,903,221.35
5. Step 5: Solve for x
   x = 2,903,221.35/1,870.64
6. Step 6: Final answer
   x = 1,552.00