Finding the Fourth Proportional to 1,864.71, 2,573.55 and 1,068.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.71 : 2,573.55 = 1,068.35 : x
2. Step 2: Convert to fraction form
   1,864.71/2,573.55 = 1,068.35/x
3. Step 3: Cross multiply
   1,864.71x = 2,573.55 × 1,068.35
4. Step 4: Simplify right side
   1,864.71x = 2,749,439.27
5. Step 5: Solve for x
   x = 2,749,439.27/1,864.71
6. Step 6: Final answer
   x = 1,474.46