Finding the Fourth Proportional to 9,921.32, 14,873.16 and 3,769.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.32 : 14,873.16 = 3,769.64 : x
2. Step 2: Convert to fraction form
   9,921.32/14,873.16 = 3,769.64/x
3. Step 3: Cross multiply
   9,921.32x = 14,873.16 × 3,769.64
4. Step 4: Simplify right side
   9,921.32x = 56,066,458.86
5. Step 5: Solve for x
   x = 56,066,458.86/9,921.32
6. Step 6: Final answer
   x = 5,651.11