Finding the Fourth Proportional to 10,839.02, 16,258.44 and 5,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.02 : 16,258.44 = 5,575.50 : x
2. Step 2: Convert to fraction form
   10,839.02/16,258.44 = 5,575.50/x
3. Step 3: Cross multiply
   10,839.02x = 16,258.44 × 5,575.50
4. Step 4: Simplify right side
   10,839.02x = 90,648,921.77
5. Step 5: Solve for x
   x = 90,648,921.77/10,839.02
6. Step 6: Final answer
   x = 8,363.21