Finding the Fourth Proportional to 9,921.83, 14,877.48 and 4,372.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.83 : 14,877.48 = 4,372.56 : x
2. Step 2: Convert to fraction form
   9,921.83/14,877.48 = 4,372.56/x
3. Step 3: Cross multiply
   9,921.83x = 14,877.48 × 4,372.56
4. Step 4: Simplify right side
   9,921.83x = 65,052,690.35
5. Step 5: Solve for x
   x = 65,052,690.35/9,921.83
6. Step 6: Final answer
   x = 6,556.52