Finding the Fourth Proportional to 2,179.02, 3,007.31 and 1,294.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.02 : 3,007.31 = 1,294.82 : x
2. Step 2: Convert to fraction form
   2,179.02/3,007.31 = 1,294.82/x
3. Step 3: Cross multiply
   2,179.02x = 3,007.31 × 1,294.82
4. Step 4: Simplify right side
   2,179.02x = 3,893,931.82
5. Step 5: Solve for x
   x = 3,893,931.82/2,179.02
6. Step 6: Final answer
   x = 1,787.01