Finding the Fourth Proportional to 1,870.03, 2,580.79 and 1,124.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.03 : 2,580.79 = 1,124.29 : x
2. Step 2: Convert to fraction form
   1,870.03/2,580.79 = 1,124.29/x
3. Step 3: Cross multiply
   1,870.03x = 2,580.79 × 1,124.29
4. Step 4: Simplify right side
   1,870.03x = 2,901,550.77
5. Step 5: Solve for x
   x = 2,901,550.77/1,870.03
6. Step 6: Final answer
   x = 1,551.61