Finding the Fourth Proportional to 1,362.31, 1,881.89 and 1,311.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.31 : 1,881.89 = 1,311.74 : x
2. Step 2: Convert to fraction form
   1,362.31/1,881.89 = 1,311.74/x
3. Step 3: Cross multiply
   1,362.31x = 1,881.89 × 1,311.74
4. Step 4: Simplify right side
   1,362.31x = 2,468,534.42
5. Step 5: Solve for x
   x = 2,468,534.42/1,362.31
6. Step 6: Final answer
   x = 1,812.02