Finding the Fourth Proportional to 1,870.34, 2,581.50 and 1,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.34 : 2,581.50 = 1,124.72 : x
2. Step 2: Convert to fraction form
   1,870.34/2,581.50 = 1,124.72/x
3. Step 3: Cross multiply
   1,870.34x = 2,581.50 × 1,124.72
4. Step 4: Simplify right side
   1,870.34x = 2,903,464.68
5. Step 5: Solve for x
   x = 2,903,464.68/1,870.34
6. Step 6: Final answer
   x = 1,552.37