Finding the Fourth Proportional to 2,088.22, 3,131.89 and 626.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.22 : 3,131.89 = 626.98 : x
2. Step 2: Convert to fraction form
   2,088.22/3,131.89 = 626.98/x
3. Step 3: Cross multiply
   2,088.22x = 3,131.89 × 626.98
4. Step 4: Simplify right side
   2,088.22x = 1,963,632.39
5. Step 5: Solve for x
   x = 1,963,632.39/2,088.22
6. Step 6: Final answer
   x = 940.34