Finding the Fourth Proportional to 21,580.32, 32,364.72 and 5,998.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,580.32 : 32,364.72 = 5,998.80 : x
2. Step 2: Convert to fraction form
   21,580.32/32,364.72 = 5,998.80/x
3. Step 3: Cross multiply
   21,580.32x = 32,364.72 × 5,998.80
4. Step 4: Simplify right side
   21,580.32x = 194,149,482.34
5. Step 5: Solve for x
   x = 194,149,482.34/21,580.32
6. Step 6: Final answer
   x = 8,996.60