Finding the Fourth Proportional to 21,547.60, 32,308.17 and 8,384.65

Step by Step Solution

1. Step 1: Write the proportion equation
   21,547.60 : 32,308.17 = 8,384.65 : x
2. Step 2: Convert to fraction form
   21,547.60/32,308.17 = 8,384.65/x
3. Step 3: Cross multiply
   21,547.60x = 32,308.17 × 8,384.65
4. Step 4: Simplify right side
   21,547.60x = 270,892,697.59
5. Step 5: Solve for x
   x = 270,892,697.59/21,547.60
6. Step 6: Final answer
   x = 12,571.83