Finding the Fourth Proportional to 2,088.30, 3,131.94 and 607.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.30 : 3,131.94 = 607.12 : x
2. Step 2: Convert to fraction form
   2,088.30/3,131.94 = 607.12/x
3. Step 3: Cross multiply
   2,088.30x = 3,131.94 × 607.12
4. Step 4: Simplify right side
   2,088.30x = 1,901,463.41
5. Step 5: Solve for x
   x = 1,901,463.41/2,088.30
6. Step 6: Final answer
   x = 910.53