Finding the Fourth Proportional to 1,888.68, 2,827.86 and 1,065.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.68 : 2,827.86 = 1,065.72 : x
2. Step 2: Convert to fraction form
   1,888.68/2,827.86 = 1,065.72/x
3. Step 3: Cross multiply
   1,888.68x = 2,827.86 × 1,065.72
4. Step 4: Simplify right side
   1,888.68x = 3,013,706.96
5. Step 5: Solve for x
   x = 3,013,706.96/1,888.68
6. Step 6: Final answer
   x = 1,595.67