Finding the Fourth Proportional to 1,682.52, 2,321.40 and 1,123.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.52 : 2,321.40 = 1,123.08 : x
2. Step 2: Convert to fraction form
   1,682.52/2,321.40 = 1,123.08/x
3. Step 3: Cross multiply
   1,682.52x = 2,321.40 × 1,123.08
4. Step 4: Simplify right side
   1,682.52x = 2,607,117.91
5. Step 5: Solve for x
   x = 2,607,117.91/1,682.52
6. Step 6: Final answer
   x = 1,549.53