Finding the Fourth Proportional to 21,457.72, 32,185.50 and 5,875.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,457.72 : 32,185.50 = 5,875.48 : x
2. Step 2: Convert to fraction form
   21,457.72/32,185.50 = 5,875.48/x
3. Step 3: Cross multiply
   21,457.72x = 32,185.50 × 5,875.48
4. Step 4: Simplify right side
   21,457.72x = 189,105,261.54
5. Step 5: Solve for x
   x = 189,105,261.54/21,457.72
6. Step 6: Final answer
   x = 8,812.92