Finding the Fourth Proportional to 1,417.87, 1,956.54 and 893.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.87 : 1,956.54 = 893.80 : x
2. Step 2: Convert to fraction form
   1,417.87/1,956.54 = 893.80/x
3. Step 3: Cross multiply
   1,417.87x = 1,956.54 × 893.80
4. Step 4: Simplify right side
   1,417.87x = 1,748,755.45
5. Step 5: Solve for x
   x = 1,748,755.45/1,417.87
6. Step 6: Final answer
   x = 1,233.37