Finding the Fourth Proportional to 22,139.13, 33,190.62 and 10,300.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139.13 : 33,190.62 = 10,300.29 : x
2. Step 2: Convert to fraction form
   22,139.13/33,190.62 = 10,300.29/x
3. Step 3: Cross multiply
   22,139.13x = 33,190.62 × 10,300.29
4. Step 4: Simplify right side
   22,139.13x = 341,873,011.28
5. Step 5: Solve for x
   x = 341,873,011.28/22,139.13
6. Step 6: Final answer
   x = 15,442.03