Finding the Fourth Proportional to 7,925.10, 11,889.27 and 3,543

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925.10 : 11,889.27 = 3,543 : x
2. Step 2: Convert to fraction form
   7,925.10/11,889.27 = 3,543/x
3. Step 3: Cross multiply
   7,925.10x = 11,889.27 × 3,543
4. Step 4: Simplify right side
   7,925.10x = 42,123,683.61
5. Step 5: Solve for x
   x = 42,123,683.61/7,925.10
6. Step 6: Final answer
   x = 5,315.22