Finding the Fourth Proportional to 1,479.30, 2,215.02 and 893.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.30 : 2,215.02 = 893.52 : x
2. Step 2: Convert to fraction form
   1,479.30/2,215.02 = 893.52/x
3. Step 3: Cross multiply
   1,479.30x = 2,215.02 × 893.52
4. Step 4: Simplify right side
   1,479.30x = 1,979,164.67
5. Step 5: Solve for x
   x = 1,979,164.67/1,479.30
6. Step 6: Final answer
   x = 1,337.91