Finding the Fourth Proportional to 10,923.84, 16,386.48 and 3,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.84 : 16,386.48 = 3,132.72 : x
2. Step 2: Convert to fraction form
   10,923.84/16,386.48 = 3,132.72/x
3. Step 3: Cross multiply
   10,923.84x = 16,386.48 × 3,132.72
4. Step 4: Simplify right side
   10,923.84x = 51,334,253.63
5. Step 5: Solve for x
   x = 51,334,253.63/10,923.84
6. Step 6: Final answer
   x = 4,699.29