Finding the Fourth Proportional to 2,543.72, 3,814.02 and 1,061.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.72 : 3,814.02 = 1,061.15 : x
2. Step 2: Convert to fraction form
   2,543.72/3,814.02 = 1,061.15/x
3. Step 3: Cross multiply
   2,543.72x = 3,814.02 × 1,061.15
4. Step 4: Simplify right side
   2,543.72x = 4,047,228.25
5. Step 5: Solve for x
   x = 4,047,228.25/2,543.72
6. Step 6: Final answer
   x = 1,591.07