Finding the Fourth Proportional to 1,575.86, 2,174.28 and 1,016.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.86 : 2,174.28 = 1,016.15 : x
2. Step 2: Convert to fraction form
   1,575.86/2,174.28 = 1,016.15/x
3. Step 3: Cross multiply
   1,575.86x = 2,174.28 × 1,016.15
4. Step 4: Simplify right side
   1,575.86x = 2,209,379.94
5. Step 5: Solve for x
   x = 2,209,379.94/1,575.86
6. Step 6: Final answer
   x = 1,402.02