Finding the Fourth Proportional to 14,093.62, 19,448.98 and 7,720.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,093.62 : 19,448.98 = 7,720.16 : x
2. Step 2: Convert to fraction form
   14,093.62/19,448.98 = 7,720.16/x
3. Step 3: Cross multiply
   14,093.62x = 19,448.98 × 7,720.16
4. Step 4: Simplify right side
   14,093.62x = 150,149,222.78
5. Step 5: Solve for x
   x = 150,149,222.78/14,093.62
6. Step 6: Final answer
   x = 10,653.70