Finding the Fourth Proportional to 22,621.05, 33,938.42 and 7,038.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,621.05 : 33,938.42 = 7,038.81 : x
2. Step 2: Convert to fraction form
   22,621.05/33,938.42 = 7,038.81/x
3. Step 3: Cross multiply
   22,621.05x = 33,938.42 × 7,038.81
4. Step 4: Simplify right side
   22,621.05x = 238,886,054.89
5. Step 5: Solve for x
   x = 238,886,054.89/22,621.05
6. Step 6: Final answer
   x = 10,560.34