Finding the Fourth Proportional to 1,404.99, 2,108.63 and 994.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.99 : 2,108.63 = 994.52 : x
2. Step 2: Convert to fraction form
   1,404.99/2,108.63 = 994.52/x
3. Step 3: Cross multiply
   1,404.99x = 2,108.63 × 994.52
4. Step 4: Simplify right side
   1,404.99x = 2,097,082.47
5. Step 5: Solve for x
   x = 2,097,082.47/1,404.99
6. Step 6: Final answer
   x = 1,492.60