Finding the Fourth Proportional to 21,513.96, 32,270.46 and 5,931.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,513.96 : 32,270.46 = 5,931.72 : x
2. Step 2: Convert to fraction form
   21,513.96/32,270.46 = 5,931.72/x
3. Step 3: Cross multiply
   21,513.96x = 32,270.46 × 5,931.72
4. Step 4: Simplify right side
   21,513.96x = 191,419,332.99
5. Step 5: Solve for x
   x = 191,419,332.99/21,513.96
6. Step 6: Final answer
   x = 8,897.45