Finding the Fourth Proportional to 2,210.72, 3,047.57 and 1,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.72 : 3,047.57 = 1,545.50 : x
2. Step 2: Convert to fraction form
   2,210.72/3,047.57 = 1,545.50/x
3. Step 3: Cross multiply
   2,210.72x = 3,047.57 × 1,545.50
4. Step 4: Simplify right side
   2,210.72x = 4,709,996.47
5. Step 5: Solve for x
   x = 4,709,996.47/2,210.72
6. Step 6: Final answer
   x = 2,130.53