Finding the Fourth Proportional to 1,953.72, 2,690.01 and 1,658.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.72 : 2,690.01 = 1,658.34 : x
2. Step 2: Convert to fraction form
   1,953.72/2,690.01 = 1,658.34/x
3. Step 3: Cross multiply
   1,953.72x = 2,690.01 × 1,658.34
4. Step 4: Simplify right side
   1,953.72x = 4,460,951.18
5. Step 5: Solve for x
   x = 4,460,951.18/1,953.72
6. Step 6: Final answer
   x = 2,283.31