Finding the Fourth Proportional to 10,877.52, 16,309.98 and 5,805.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.52 : 16,309.98 = 5,805.45 : x
2. Step 2: Convert to fraction form
   10,877.52/16,309.98 = 5,805.45/x
3. Step 3: Cross multiply
   10,877.52x = 16,309.98 × 5,805.45
4. Step 4: Simplify right side
   10,877.52x = 94,686,691.84
5. Step 5: Solve for x
   x = 94,686,691.84/10,877.52
6. Step 6: Final answer
   x = 8,704.81