Finding the Fourth Proportional to 1,872.50, 2,585.80 and 1,175.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.50 : 2,585.80 = 1,175.10 : x
2. Step 2: Convert to fraction form
   1,872.50/2,585.80 = 1,175.10/x
3. Step 3: Cross multiply
   1,872.50x = 2,585.80 × 1,175.10
4. Step 4: Simplify right side
   1,872.50x = 3,038,573.58
5. Step 5: Solve for x
   x = 3,038,573.58/1,872.50
6. Step 6: Final answer
   x = 1,622.74