Finding the Fourth Proportional to 21,417.65, 32,128.61 and 7,375.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,417.65 : 32,128.61 = 7,375.82 : x
2. Step 2: Convert to fraction form
   21,417.65/32,128.61 = 7,375.82/x
3. Step 3: Cross multiply
   21,417.65x = 32,128.61 × 7,375.82
4. Step 4: Simplify right side
   21,417.65x = 236,974,646.69
5. Step 5: Solve for x
   x = 236,974,646.69/21,417.65
6. Step 6: Final answer
   x = 11,064.46