Finding the Fourth Proportional to 10,788.86, 16,185.18 and 4,463.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.86 : 16,185.18 = 4,463.72 : x
2. Step 2: Convert to fraction form
   10,788.86/16,185.18 = 4,463.72/x
3. Step 3: Cross multiply
   10,788.86x = 16,185.18 × 4,463.72
4. Step 4: Simplify right side
   10,788.86x = 72,246,030.74
5. Step 5: Solve for x
   x = 72,246,030.74/10,788.86
6. Step 6: Final answer
   x = 6,696.36