Finding the Fourth Proportional to 10,022.61, 15,019.54 and 5,630.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,022.61 : 15,019.54 = 5,630.83 : x
2. Step 2: Convert to fraction form
   10,022.61/15,019.54 = 5,630.83/x
3. Step 3: Cross multiply
   10,022.61x = 15,019.54 × 5,630.83
4. Step 4: Simplify right side
   10,022.61x = 84,572,424.79
5. Step 5: Solve for x
   x = 84,572,424.79/10,022.61
6. Step 6: Final answer
   x = 8,438.16