Finding the Fourth Proportional to 2,985.39, 4,118.31 and 1,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.39 : 4,118.31 = 1,726.38 : x
2. Step 2: Convert to fraction form
   2,985.39/4,118.31 = 1,726.38/x
3. Step 3: Cross multiply
   2,985.39x = 4,118.31 × 1,726.38
4. Step 4: Simplify right side
   2,985.39x = 7,109,768.02
5. Step 5: Solve for x
   x = 7,109,768.02/2,985.39
6. Step 6: Final answer
   x = 2,381.52