Finding the Fourth Proportional to 9,902.40, 14,852.87 and 3,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,902.40 : 14,852.87 = 3,659.50 : x
2. Step 2: Convert to fraction form
   9,902.40/14,852.87 = 3,659.50/x
3. Step 3: Cross multiply
   9,902.40x = 14,852.87 × 3,659.50
4. Step 4: Simplify right side
   9,902.40x = 54,354,112.34
5. Step 5: Solve for x
   x = 54,354,112.34/9,902.40
6. Step 6: Final answer
   x = 5,488.98