Finding the Fourth Proportional to 2,090.02, 3,132.86 and 993.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.02 : 3,132.86 = 993.55 : x
2. Step 2: Convert to fraction form
   2,090.02/3,132.86 = 993.55/x
3. Step 3: Cross multiply
   2,090.02x = 3,132.86 × 993.55
4. Step 4: Simplify right side
   2,090.02x = 3,112,653.05
5. Step 5: Solve for x
   x = 3,112,653.05/2,090.02
6. Step 6: Final answer
   x = 1,489.29