Finding the Fourth Proportional to 19,945.84, 29,922.04 and 7,470.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,945.84 : 29,922.04 = 7,470.16 : x
2. Step 2: Convert to fraction form
   19,945.84/29,922.04 = 7,470.16/x
3. Step 3: Cross multiply
   19,945.84x = 29,922.04 × 7,470.16
4. Step 4: Simplify right side
   19,945.84x = 223,522,426.33
5. Step 5: Solve for x
   x = 223,522,426.33/19,945.84
6. Step 6: Final answer
   x = 11,206.47