Finding the Fourth Proportional to 21,499.32, 32,243.22 and 5,917.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.32 : 32,243.22 = 5,917.80 : x
2. Step 2: Convert to fraction form
   21,499.32/32,243.22 = 5,917.80/x
3. Step 3: Cross multiply
   21,499.32x = 32,243.22 × 5,917.80
4. Step 4: Simplify right side
   21,499.32x = 190,808,927.32
5. Step 5: Solve for x
   x = 190,808,927.32/21,499.32
6. Step 6: Final answer
   x = 8,875.11