Finding the Fourth Proportional to 14,093.87, 19,448.86 and 7,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,093.87 : 19,448.86 = 7,720.50 : x
2. Step 2: Convert to fraction form
   14,093.87/19,448.86 = 7,720.50/x
3. Step 3: Cross multiply
   14,093.87x = 19,448.86 × 7,720.50
4. Step 4: Simplify right side
   14,093.87x = 150,154,964.39
5. Step 5: Solve for x
   x = 150,154,964.39/14,093.87
6. Step 6: Final answer
   x = 10,653.92