Finding the Fourth Proportional to 2,136.30, 2,943.50 and 1,545.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.30 : 2,943.50 = 1,545.81 : x
2. Step 2: Convert to fraction form
   2,136.30/2,943.50 = 1,545.81/x
3. Step 3: Cross multiply
   2,136.30x = 2,943.50 × 1,545.81
4. Step 4: Simplify right side
   2,136.30x = 4,550,091.74
5. Step 5: Solve for x
   x = 4,550,091.74/2,136.30
6. Step 6: Final answer
   x = 2,129.89