Finding the Fourth Proportional to 1,401.76, 1,933.14 and 1,086.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.76 : 1,933.14 = 1,086.02 : x
2. Step 2: Convert to fraction form
   1,401.76/1,933.14 = 1,086.02/x
3. Step 3: Cross multiply
   1,401.76x = 1,933.14 × 1,086.02
4. Step 4: Simplify right side
   1,401.76x = 2,099,428.70
5. Step 5: Solve for x
   x = 2,099,428.70/1,401.76
6. Step 6: Final answer
   x = 1,497.71