Finding the Fourth Proportional to 9,840.56, 14,761.56 and 3,997.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,840.56 : 14,761.56 = 3,997.28 : x
2. Step 2: Convert to fraction form
   9,840.56/14,761.56 = 3,997.28/x
3. Step 3: Cross multiply
   9,840.56x = 14,761.56 × 3,997.28
4. Step 4: Simplify right side
   9,840.56x = 59,006,088.56
5. Step 5: Solve for x
   x = 59,006,088.56/9,840.56
6. Step 6: Final answer
   x = 5,996.21