Finding the Fourth Proportional to 10,688.51, 14,749.83 and 5,972.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.51 : 14,749.83 = 5,972.78 : x
2. Step 2: Convert to fraction form
   10,688.51/14,749.83 = 5,972.78/x
3. Step 3: Cross multiply
   10,688.51x = 14,749.83 × 5,972.78
4. Step 4: Simplify right side
   10,688.51x = 88,097,526.50
5. Step 5: Solve for x
   x = 88,097,526.50/10,688.51
6. Step 6: Final answer
   x = 8,242.26