Finding the Fourth Proportional to 2,090.16, 3,132.54 and 994.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.16 : 3,132.54 = 994.86 : x
2. Step 2: Convert to fraction form
   2,090.16/3,132.54 = 994.86/x
3. Step 3: Cross multiply
   2,090.16x = 3,132.54 × 994.86
4. Step 4: Simplify right side
   2,090.16x = 3,116,438.74
5. Step 5: Solve for x
   x = 3,116,438.74/2,090.16
6. Step 6: Final answer
   x = 1,491.00