Finding the Fourth Proportional to 1,806.07, 2,706.88 and 1,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.07 : 2,706.88 = 1,026.72 : x
2. Step 2: Convert to fraction form
   1,806.07/2,706.88 = 1,026.72/x
3. Step 3: Cross multiply
   1,806.07x = 2,706.88 × 1,026.72
4. Step 4: Simplify right side
   1,806.07x = 2,779,207.83
5. Step 5: Solve for x
   x = 2,779,207.83/1,806.07
6. Step 6: Final answer
   x = 1,538.82