Finding the Fourth Proportional to 1,556.71, 2,148.17 and 893.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.71 : 2,148.17 = 893.50 : x
2. Step 2: Convert to fraction form
   1,556.71/2,148.17 = 893.50/x
3. Step 3: Cross multiply
   1,556.71x = 2,148.17 × 893.50
4. Step 4: Simplify right side
   1,556.71x = 1,919,389.90
5. Step 5: Solve for x
   x = 1,919,389.90/1,556.71
6. Step 6: Final answer
   x = 1,232.98