Finding the Fourth Proportional to 22,064.48, 33,111.31 and 10,378.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,064.48 : 33,111.31 = 10,378.61 : x
2. Step 2: Convert to fraction form
   22,064.48/33,111.31 = 10,378.61/x
3. Step 3: Cross multiply
   22,064.48x = 33,111.31 × 10,378.61
4. Step 4: Simplify right side
   22,064.48x = 343,649,482.26
5. Step 5: Solve for x
   x = 343,649,482.26/22,064.48
6. Step 6: Final answer
   x = 15,574.78