Finding the Fourth Proportional to 2,087.02, 3,132.56 and 992.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.02 : 3,132.56 = 992.13 : x
2. Step 2: Convert to fraction form
   2,087.02/3,132.56 = 992.13/x
3. Step 3: Cross multiply
   2,087.02x = 3,132.56 × 992.13
4. Step 4: Simplify right side
   2,087.02x = 3,107,906.75
5. Step 5: Solve for x
   x = 3,107,906.75/2,087.02
6. Step 6: Final answer
   x = 1,489.16