Finding the Fourth Proportional to 10,788.90, 14,887.31 and 6,072.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.90 : 14,887.31 = 6,072.27 : x
2. Step 2: Convert to fraction form
   10,788.90/14,887.31 = 6,072.27/x
3. Step 3: Cross multiply
   10,788.90x = 14,887.31 × 6,072.27
4. Step 4: Simplify right side
   10,788.90x = 90,399,735.53
5. Step 5: Solve for x
   x = 90,399,735.53/10,788.90
6. Step 6: Final answer
   x = 8,378.96