Finding the Fourth Proportional to 2,123.34, 2,932.88 and 1,631.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.34 : 2,932.88 = 1,631.96 : x
2. Step 2: Convert to fraction form
   2,123.34/2,932.88 = 1,631.96/x
3. Step 3: Cross multiply
   2,123.34x = 2,932.88 × 1,631.96
4. Step 4: Simplify right side
   2,123.34x = 4,786,320.02
5. Step 5: Solve for x
   x = 4,786,320.02/2,123.34
6. Step 6: Final answer
   x = 2,254.15