Finding the Fourth Proportional to 1,402.80, 2,100.15 and 941.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.80 : 2,100.15 = 941.10 : x
2. Step 2: Convert to fraction form
   1,402.80/2,100.15 = 941.10/x
3. Step 3: Cross multiply
   1,402.80x = 2,100.15 × 941.10
4. Step 4: Simplify right side
   1,402.80x = 1,976,451.17
5. Step 5: Solve for x
   x = 1,976,451.17/1,402.80
6. Step 6: Final answer
   x = 1,408.93