Finding the Fourth Proportional to 2,985.29, 4,118.78 and 1,725.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.29 : 4,118.78 = 1,725.89 : x
2. Step 2: Convert to fraction form
   2,985.29/4,118.78 = 1,725.89/x
3. Step 3: Cross multiply
   2,985.29x = 4,118.78 × 1,725.89
4. Step 4: Simplify right side
   2,985.29x = 7,108,561.21
5. Step 5: Solve for x
   x = 7,108,561.21/2,985.29
6. Step 6: Final answer
   x = 2,381.20