Finding the Fourth Proportional to 1,262.32, 1,890.69 and 1,002.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.32 : 1,890.69 = 1,002.61 : x
2. Step 2: Convert to fraction form
   1,262.32/1,890.69 = 1,002.61/x
3. Step 3: Cross multiply
   1,262.32x = 1,890.69 × 1,002.61
4. Step 4: Simplify right side
   1,262.32x = 1,895,624.70
5. Step 5: Solve for x
   x = 1,895,624.70/1,262.32
6. Step 6: Final answer
   x = 1,501.70