Finding the Fourth Proportional to 1,575.91, 2,174.88 and 1,016.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.91 : 2,174.88 = 1,016.47 : x
2. Step 2: Convert to fraction form
   1,575.91/2,174.88 = 1,016.47/x
3. Step 3: Cross multiply
   1,575.91x = 2,174.88 × 1,016.47
4. Step 4: Simplify right side
   1,575.91x = 2,210,700.27
5. Step 5: Solve for x
   x = 2,210,700.27/1,575.91
6. Step 6: Final answer
   x = 1,402.81