Finding the Fourth Proportional to 14,007.08, 19,329.52 and 7,720.04

Step by Step Solution

1. Step 1: Write the proportion equation
   14,007.08 : 19,329.52 = 7,720.04 : x
2. Step 2: Convert to fraction form
   14,007.08/19,329.52 = 7,720.04/x
3. Step 3: Cross multiply
   14,007.08x = 19,329.52 × 7,720.04
4. Step 4: Simplify right side
   14,007.08x = 149,224,667.58
5. Step 5: Solve for x
   x = 149,224,667.58/14,007.08
6. Step 6: Final answer
   x = 10,653.52