Finding the Fourth Proportional to 10,124.42, 13,970.03 and 5,648.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.42 : 13,970.03 = 5,648.22 : x
2. Step 2: Convert to fraction form
   10,124.42/13,970.03 = 5,648.22/x
3. Step 3: Cross multiply
   10,124.42x = 13,970.03 × 5,648.22
4. Step 4: Simplify right side
   10,124.42x = 78,905,774.61
5. Step 5: Solve for x
   x = 78,905,774.61/10,124.42
6. Step 6: Final answer
   x = 7,793.61