Finding the Fourth Proportional to 9,970.18, 14,961.15 and 3,644.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.18 : 14,961.15 = 3,644.49 : x
2. Step 2: Convert to fraction form
   9,970.18/14,961.15 = 3,644.49/x
3. Step 3: Cross multiply
   9,970.18x = 14,961.15 × 3,644.49
4. Step 4: Simplify right side
   9,970.18x = 54,525,761.56
5. Step 5: Solve for x
   x = 54,525,761.56/9,970.18
6. Step 6: Final answer
   x = 5,468.88