Finding the Fourth Proportional to 2,088.45, 3,134.22 and 992.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.45 : 3,134.22 = 992.82 : x
2. Step 2: Convert to fraction form
   2,088.45/3,134.22 = 992.82/x
3. Step 3: Cross multiply
   2,088.45x = 3,134.22 × 992.82
4. Step 4: Simplify right side
   2,088.45x = 3,111,716.30
5. Step 5: Solve for x
   x = 3,111,716.30/2,088.45
6. Step 6: Final answer
   x = 1,489.96