Finding the Fourth Proportional to 21,463.25, 32,189.00 and 8,980.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,463.25 : 32,189.00 = 8,980.61 : x
2. Step 2: Convert to fraction form
   21,463.25/32,189.00 = 8,980.61/x
3. Step 3: Cross multiply
   21,463.25x = 32,189.00 × 8,980.61
4. Step 4: Simplify right side
   21,463.25x = 289,076,649.44
5. Step 5: Solve for x
   x = 289,076,649.44/21,463.25
6. Step 6: Final answer
   x = 13,468.45