Finding the Fourth Proportional to 21,488.65, 32,213.54 and 7,634.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,488.65 : 32,213.54 = 7,634.41 : x
2. Step 2: Convert to fraction form
   21,488.65/32,213.54 = 7,634.41/x
3. Step 3: Cross multiply
   21,488.65x = 32,213.54 × 7,634.41
4. Step 4: Simplify right side
   21,488.65x = 245,931,333.74
5. Step 5: Solve for x
   x = 245,931,333.74/21,488.65
6. Step 6: Final answer
   x = 11,444.71