Finding the Fourth Proportional to 10,591.47, 15,876.87 and 5,043.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.47 : 15,876.87 = 5,043.32 : x
2. Step 2: Convert to fraction form
   10,591.47/15,876.87 = 5,043.32/x
3. Step 3: Cross multiply
   10,591.47x = 15,876.87 × 5,043.32
4. Step 4: Simplify right side
   10,591.47x = 80,072,136.01
5. Step 5: Solve for x
   x = 80,072,136.01/10,591.47
6. Step 6: Final answer
   x = 7,560.06