Finding the Fourth Proportional to 1,870.92, 2,799.54 and 1,613.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.92 : 2,799.54 = 1,613.94 : x
2. Step 2: Convert to fraction form
   1,870.92/2,799.54 = 1,613.94/x
3. Step 3: Cross multiply
   1,870.92x = 2,799.54 × 1,613.94
4. Step 4: Simplify right side
   1,870.92x = 4,518,289.59
5. Step 5: Solve for x
   x = 4,518,289.59/1,870.92
6. Step 6: Final answer
   x = 2,415.01