Finding the Fourth Proportional to 10,689.12, 14,749.56 and 5,973.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,689.12 : 14,749.56 = 5,973.48 : x
2. Step 2: Convert to fraction form
   10,689.12/14,749.56 = 5,973.48/x
3. Step 3: Cross multiply
   10,689.12x = 14,749.56 × 5,973.48
4. Step 4: Simplify right side
   10,689.12x = 88,106,201.67
5. Step 5: Solve for x
   x = 88,106,201.67/10,689.12
6. Step 6: Final answer
   x = 8,242.61