Finding the Fourth Proportional to 21,382.81, 32,066.24 and 7,338.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,382.81 : 32,066.24 = 7,338.86 : x
2. Step 2: Convert to fraction form
   21,382.81/32,066.24 = 7,338.86/x
3. Step 3: Cross multiply
   21,382.81x = 32,066.24 × 7,338.86
4. Step 4: Simplify right side
   21,382.81x = 235,329,504.10
5. Step 5: Solve for x
   x = 235,329,504.10/21,382.81
6. Step 6: Final answer
   x = 11,005.54