Finding the Fourth Proportional to 2,131.54, 3,182.92 and 1,742.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.54 : 3,182.92 = 1,742.30 : x
2. Step 2: Convert to fraction form
   2,131.54/3,182.92 = 1,742.30/x
3. Step 3: Cross multiply
   2,131.54x = 3,182.92 × 1,742.30
4. Step 4: Simplify right side
   2,131.54x = 5,545,602.98
5. Step 5: Solve for x
   x = 5,545,602.98/2,131.54
6. Step 6: Final answer
   x = 2,601.69