Finding the Fourth Proportional to 1,721.50, 2,374.59 and 1,373.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.50 : 2,374.59 = 1,373.02 : x
2. Step 2: Convert to fraction form
   1,721.50/2,374.59 = 1,373.02/x
3. Step 3: Cross multiply
   1,721.50x = 2,374.59 × 1,373.02
4. Step 4: Simplify right side
   1,721.50x = 3,260,359.56
5. Step 5: Solve for x
   x = 3,260,359.56/1,721.50
6. Step 6: Final answer
   x = 1,893.91