Finding the Fourth Proportional to 1,900.72, 2,626.68 and 1,545.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.72 : 2,626.68 = 1,545.92 : x
2. Step 2: Convert to fraction form
   1,900.72/2,626.68 = 1,545.92/x
3. Step 3: Cross multiply
   1,900.72x = 2,626.68 × 1,545.92
4. Step 4: Simplify right side
   1,900.72x = 4,060,637.15
5. Step 5: Solve for x
   x = 4,060,637.15/1,900.72
6. Step 6: Final answer
   x = 2,136.37