Finding the Fourth Proportional to 1,748.59, 2,620.96 and 1,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.59 : 2,620.96 = 1,336.50 : x
2. Step 2: Convert to fraction form
   1,748.59/2,620.96 = 1,336.50/x
3. Step 3: Cross multiply
   1,748.59x = 2,620.96 × 1,336.50
4. Step 4: Simplify right side
   1,748.59x = 3,502,909.70
5. Step 5: Solve for x
   x = 3,502,909.70/1,748.59
6. Step 6: Final answer
   x = 2,003.28