Finding the Fourth Proportional to 10,913.56, 16,342.54 and 7,204.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.56 : 16,342.54 = 7,204.47 : x
2. Step 2: Convert to fraction form
   10,913.56/16,342.54 = 7,204.47/x
3. Step 3: Cross multiply
   10,913.56x = 16,342.54 × 7,204.47
4. Step 4: Simplify right side
   10,913.56x = 117,739,339.15
5. Step 5: Solve for x
   x = 117,739,339.15/10,913.56
6. Step 6: Final answer
   x = 10,788.35