Finding the Fourth Proportional to 1,748.87, 2,624.59 and 1,287.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.87 : 2,624.59 = 1,287.88 : x
2. Step 2: Convert to fraction form
   1,748.87/2,624.59 = 1,287.88/x
3. Step 3: Cross multiply
   1,748.87x = 2,624.59 × 1,287.88
4. Step 4: Simplify right side
   1,748.87x = 3,380,152.02
5. Step 5: Solve for x
   x = 3,380,152.02/1,748.87
6. Step 6: Final answer
   x = 1,932.76