Finding the Fourth Proportional to 10,100.28, 13,938.46 and 5,624.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.28 : 13,938.46 = 5,624.22 : x
2. Step 2: Convert to fraction form
   10,100.28/13,938.46 = 5,624.22/x
3. Step 3: Cross multiply
   10,100.28x = 13,938.46 × 5,624.22
4. Step 4: Simplify right side
   10,100.28x = 78,392,965.50
5. Step 5: Solve for x
   x = 78,392,965.50/10,100.28
6. Step 6: Final answer
   x = 7,761.46