Finding the Fourth Proportional to 19,815.12, 29,719.46 and 7,332.27

Step by Step Solution

1. Step 1: Write the proportion equation
   19,815.12 : 29,719.46 = 7,332.27 : x
2. Step 2: Convert to fraction form
   19,815.12/29,719.46 = 7,332.27/x
3. Step 3: Cross multiply
   19,815.12x = 29,719.46 × 7,332.27
4. Step 4: Simplify right side
   19,815.12x = 217,911,068.31
5. Step 5: Solve for x
   x = 217,911,068.31/19,815.12
6. Step 6: Final answer
   x = 10,997.21