Finding the Fourth Proportional to 1,417.56, 1,956.24 and 893.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.56 : 1,956.24 = 893.76 : x
2. Step 2: Convert to fraction form
   1,417.56/1,956.24 = 893.76/x
3. Step 3: Cross multiply
   1,417.56x = 1,956.24 × 893.76
4. Step 4: Simplify right side
   1,417.56x = 1,748,409.06
5. Step 5: Solve for x
   x = 1,748,409.06/1,417.56
6. Step 6: Final answer
   x = 1,233.39