Finding the Fourth Proportional to 2,101.56, 2,898.72 and 1,658.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.56 : 2,898.72 = 1,658.76 : x
2. Step 2: Convert to fraction form
   2,101.56/2,898.72 = 1,658.76/x
3. Step 3: Cross multiply
   2,101.56x = 2,898.72 × 1,658.76
4. Step 4: Simplify right side
   2,101.56x = 4,808,280.79
5. Step 5: Solve for x
   x = 4,808,280.79/2,101.56
6. Step 6: Final answer
   x = 2,287.96