Finding the Fourth Proportional to 2,088.59, 3,132.90 and 993.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.59 : 3,132.90 = 993.06 : x
2. Step 2: Convert to fraction form
   2,088.59/3,132.90 = 993.06/x
3. Step 3: Cross multiply
   2,088.59x = 3,132.90 × 993.06
4. Step 4: Simplify right side
   2,088.59x = 3,111,157.67
5. Step 5: Solve for x
   x = 3,111,157.67/2,088.59
6. Step 6: Final answer
   x = 1,489.60