Finding the Fourth Proportional to 2,088.10, 3,131.52 and 627.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.10 : 3,131.52 = 627.40 : x
2. Step 2: Convert to fraction form
   2,088.10/3,131.52 = 627.40/x
3. Step 3: Cross multiply
   2,088.10x = 3,131.52 × 627.40
4. Step 4: Simplify right side
   2,088.10x = 1,964,715.65
5. Step 5: Solve for x
   x = 1,964,715.65/2,088.10
6. Step 6: Final answer
   x = 940.91