Finding the Fourth Proportional to 1,416.83, 2,124.72 and 896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.83 : 2,124.72 = 896.72 : x
2. Step 2: Convert to fraction form
   1,416.83/2,124.72 = 896.72/x
3. Step 3: Cross multiply
   1,416.83x = 2,124.72 × 896.72
4. Step 4: Simplify right side
   1,416.83x = 1,905,268.29
5. Step 5: Solve for x
   x = 1,905,268.29/1,416.83
6. Step 6: Final answer
   x = 1,344.74