Finding the Fourth Proportional to 10,788.31, 14,887.50 and 6,071.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.31 : 14,887.50 = 6,071.68 : x
2. Step 2: Convert to fraction form
   10,788.31/14,887.50 = 6,071.68/x
3. Step 3: Cross multiply
   10,788.31x = 14,887.50 × 6,071.68
4. Step 4: Simplify right side
   10,788.31x = 90,392,136
5. Step 5: Solve for x
   x = 90,392,136/10,788.31
6. Step 6: Final answer
   x = 8,378.71