Finding the Fourth Proportional to 3,921.84, 5,877.12 and 3,803.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.84 : 5,877.12 = 3,803.52 : x
2. Step 2: Convert to fraction form
   3,921.84/5,877.12 = 3,803.52/x
3. Step 3: Cross multiply
   3,921.84x = 5,877.12 × 3,803.52
4. Step 4: Simplify right side
   3,921.84x = 22,353,743.46
5. Step 5: Solve for x
   x = 22,353,743.46/3,921.84
6. Step 6: Final answer
   x = 5,699.81