Finding the Fourth Proportional to 9,921.42, 14,884.38 and 2,901.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.42 : 14,884.38 = 2,901.60 : x
2. Step 2: Convert to fraction form
   9,921.42/14,884.38 = 2,901.60/x
3. Step 3: Cross multiply
   9,921.42x = 14,884.38 × 2,901.60
4. Step 4: Simplify right side
   9,921.42x = 43,188,517.01
5. Step 5: Solve for x
   x = 43,188,517.01/9,921.42
6. Step 6: Final answer
   x = 4,353.06