Finding the Fourth Proportional to 11,664.84, 16,107.54 and 10,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,664.84 : 16,107.54 = 10,002.72 : x
2. Step 2: Convert to fraction form
   11,664.84/16,107.54 = 10,002.72/x
3. Step 3: Cross multiply
   11,664.84x = 16,107.54 × 10,002.72
4. Step 4: Simplify right side
   11,664.84x = 161,119,212.51
5. Step 5: Solve for x
   x = 161,119,212.51/11,664.84
6. Step 6: Final answer
   x = 13,812.38