Finding the Fourth Proportional to 1,377.71, 1,903.89 and 1,024.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.71 : 1,903.89 = 1,024.14 : x
2. Step 2: Convert to fraction form
   1,377.71/1,903.89 = 1,024.14/x
3. Step 3: Cross multiply
   1,377.71x = 1,903.89 × 1,024.14
4. Step 4: Simplify right side
   1,377.71x = 1,949,849.90
5. Step 5: Solve for x
   x = 1,949,849.90/1,377.71
6. Step 6: Final answer
   x = 1,415.29