Finding the Fourth Proportional to 1,751.50, 2,619.50 and 1,557.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,751.50 : 2,619.50 = 1,557.86 : x
2. Step 2: Convert to fraction form
   1,751.50/2,619.50 = 1,557.86/x
3. Step 3: Cross multiply
   1,751.50x = 2,619.50 × 1,557.86
4. Step 4: Simplify right side
   1,751.50x = 4,080,793.38
5. Step 5: Solve for x
   x = 4,080,793.38/1,751.50
6. Step 6: Final answer
   x = 2,329.89