Finding the Fourth Proportional to 9,921.32, 14,881.51 and 3,682.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.32 : 14,881.51 = 3,682.55 : x
2. Step 2: Convert to fraction form
   9,921.32/14,881.51 = 3,682.55/x
3. Step 3: Cross multiply
   9,921.32x = 14,881.51 × 3,682.55
4. Step 4: Simplify right side
   9,921.32x = 54,801,925.74
5. Step 5: Solve for x
   x = 54,801,925.74/9,921.32
6. Step 6: Final answer
   x = 5,523.65