Finding the Fourth Proportional to 19,816.05, 29,724.72 and 7,339.22

Step by Step Solution

1. Step 1: Write the proportion equation
   19,816.05 : 29,724.72 = 7,339.22 : x
2. Step 2: Convert to fraction form
   19,816.05/29,724.72 = 7,339.22/x
3. Step 3: Cross multiply
   19,816.05x = 29,724.72 × 7,339.22
4. Step 4: Simplify right side
   19,816.05x = 218,156,259.52
5. Step 5: Solve for x
   x = 218,156,259.52/19,816.05
6. Step 6: Final answer
   x = 11,009.07