Finding the Fourth Proportional to 9,900.55, 14,848.43 and 3,661.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.55 : 14,848.43 = 3,661.27 : x
2. Step 2: Convert to fraction form
   9,900.55/14,848.43 = 3,661.27/x
3. Step 3: Cross multiply
   9,900.55x = 14,848.43 × 3,661.27
4. Step 4: Simplify right side
   9,900.55x = 54,364,111.31
5. Step 5: Solve for x
   x = 54,364,111.31/9,900.55
6. Step 6: Final answer
   x = 5,491.02