Finding the Fourth Proportional to 1,835.34, 2,754.54 and 1,720.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.34 : 2,754.54 = 1,720.02 : x
2. Step 2: Convert to fraction form
   1,835.34/2,754.54 = 1,720.02/x
3. Step 3: Cross multiply
   1,835.34x = 2,754.54 × 1,720.02
4. Step 4: Simplify right side
   1,835.34x = 4,737,863.89
5. Step 5: Solve for x
   x = 4,737,863.89/1,835.34
6. Step 6: Final answer
   x = 2,581.46