Finding the Fourth Proportional to 12,924.22, 19,388.49 and 5,133.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,924.22 : 19,388.49 = 5,133.10 : x
2. Step 2: Convert to fraction form
   12,924.22/19,388.49 = 5,133.10/x
3. Step 3: Cross multiply
   12,924.22x = 19,388.49 × 5,133.10
4. Step 4: Simplify right side
   12,924.22x = 99,523,058.02
5. Step 5: Solve for x
   x = 99,523,058.02/12,924.22
6. Step 6: Final answer
   x = 7,700.51