Finding the Fourth Proportional to 1,401.91, 2,101.95 and 908.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.91 : 2,101.95 = 908.62 : x
2. Step 2: Convert to fraction form
   1,401.91/2,101.95 = 908.62/x
3. Step 3: Cross multiply
   1,401.91x = 2,101.95 × 908.62
4. Step 4: Simplify right side
   1,401.91x = 1,909,868.55
5. Step 5: Solve for x
   x = 1,909,868.55/1,401.91
6. Step 6: Final answer
   x = 1,362.34