Finding the Fourth Proportional to 1,870.96, 2,580.24 and 1,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.96 : 2,580.24 = 1,608.88 : x
2. Step 2: Convert to fraction form
   1,870.96/2,580.24 = 1,608.88/x
3. Step 3: Cross multiply
   1,870.96x = 2,580.24 × 1,608.88
4. Step 4: Simplify right side
   1,870.96x = 4,151,296.53
5. Step 5: Solve for x
   x = 4,151,296.53/1,870.96
6. Step 6: Final answer
   x = 2,218.81