Finding the Fourth Proportional to 9,888.56, 14,834.06 and 3,648.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,888.56 : 14,834.06 = 3,648.60 : x
2. Step 2: Convert to fraction form
   9,888.56/14,834.06 = 3,648.60/x
3. Step 3: Cross multiply
   9,888.56x = 14,834.06 × 3,648.60
4. Step 4: Simplify right side
   9,888.56x = 54,123,533.07
5. Step 5: Solve for x
   x = 54,123,533.07/9,888.56
6. Step 6: Final answer
   x = 5,473.35