Finding the Fourth Proportional to 1,402.59, 2,104.59 and 994.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.59 : 2,104.59 = 994.35 : x
2. Step 2: Convert to fraction form
   1,402.59/2,104.59 = 994.35/x
3. Step 3: Cross multiply
   1,402.59x = 2,104.59 × 994.35
4. Step 4: Simplify right side
   1,402.59x = 2,092,699.07
5. Step 5: Solve for x
   x = 2,092,699.07/1,402.59
6. Step 6: Final answer
   x = 1,492.02