Finding the Fourth Proportional to 2,319.77, 3,200.10 and 1,573.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.77 : 3,200.10 = 1,573.76 : x
2. Step 2: Convert to fraction form
   2,319.77/3,200.10 = 1,573.76/x
3. Step 3: Cross multiply
   2,319.77x = 3,200.10 × 1,573.76
4. Step 4: Simplify right side
   2,319.77x = 5,036,189.38
5. Step 5: Solve for x
   x = 5,036,189.38/2,319.77
6. Step 6: Final answer
   x = 2,170.99