Finding the Fourth Proportional to 22,019.76, 33,035.31 and 12,670.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.76 : 33,035.31 = 12,670.47 : x
2. Step 2: Convert to fraction form
   22,019.76/33,035.31 = 12,670.47/x
3. Step 3: Cross multiply
   22,019.76x = 33,035.31 × 12,670.47
4. Step 4: Simplify right side
   22,019.76x = 418,572,904.30
5. Step 5: Solve for x
   x = 418,572,904.30/22,019.76
6. Step 6: Final answer
   x = 19,008.97