Finding the Fourth Proportional to 9,921.16, 14,877.42 and 3,345.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.16 : 14,877.42 = 3,345.58 : x
2. Step 2: Convert to fraction form
   9,921.16/14,877.42 = 3,345.58/x
3. Step 3: Cross multiply
   9,921.16x = 14,877.42 × 3,345.58
4. Step 4: Simplify right side
   9,921.16x = 49,773,598.80
5. Step 5: Solve for x
   x = 49,773,598.80/9,921.16
6. Step 6: Final answer
   x = 5,016.91