Finding the Fourth Proportional to 1,867.52, 2,579.52 and 1,573.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.52 : 2,579.52 = 1,573.76 : x
2. Step 2: Convert to fraction form
   1,867.52/2,579.52 = 1,573.76/x
3. Step 3: Cross multiply
   1,867.52x = 2,579.52 × 1,573.76
4. Step 4: Simplify right side
   1,867.52x = 4,059,545.40
5. Step 5: Solve for x
   x = 4,059,545.40/1,867.52
6. Step 6: Final answer
   x = 2,173.76