Finding the Fourth Proportional to 10,688.32, 14,748.51 and 5,972.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.32 : 14,748.51 = 5,972.80 : x
2. Step 2: Convert to fraction form
   10,688.32/14,748.51 = 5,972.80/x
3. Step 3: Cross multiply
   10,688.32x = 14,748.51 × 5,972.80
4. Step 4: Simplify right side
   10,688.32x = 88,089,900.53
5. Step 5: Solve for x
   x = 88,089,900.53/10,688.32
6. Step 6: Final answer
   x = 8,241.70