Finding the Fourth Proportional to 14,667.16, 22,005.06 and 5,431

Step by Step Solution

1. Step 1: Write the proportion equation
   14,667.16 : 22,005.06 = 5,431 : x
2. Step 2: Convert to fraction form
   14,667.16/22,005.06 = 5,431/x
3. Step 3: Cross multiply
   14,667.16x = 22,005.06 × 5,431
4. Step 4: Simplify right side
   14,667.16x = 119,509,480.86
5. Step 5: Solve for x
   x = 119,509,480.86/14,667.16
6. Step 6: Final answer
   x = 8,148.10