Finding the Fourth Proportional to 1,556.52, 2,147.92 and 892.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.52 : 2,147.92 = 892.91 : x
2. Step 2: Convert to fraction form
   1,556.52/2,147.92 = 892.91/x
3. Step 3: Cross multiply
   1,556.52x = 2,147.92 × 892.91
4. Step 4: Simplify right side
   1,556.52x = 1,917,899.25
5. Step 5: Solve for x
   x = 1,917,899.25/1,556.52
6. Step 6: Final answer
   x = 1,232.17