Finding the Fourth Proportional to 21,401.40, 32,102.16 and 5,819.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.40 : 32,102.16 = 5,819.02 : x
2. Step 2: Convert to fraction form
   21,401.40/32,102.16 = 5,819.02/x
3. Step 3: Cross multiply
   21,401.40x = 32,102.16 × 5,819.02
4. Step 4: Simplify right side
   21,401.40x = 186,803,111.08
5. Step 5: Solve for x
   x = 186,803,111.08/21,401.40
6. Step 6: Final answer
   x = 8,728.55