Finding the Fourth Proportional to 9,902.86, 14,854.59 and 4,353.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,902.86 : 14,854.59 = 4,353.35 : x
2. Step 2: Convert to fraction form
   9,902.86/14,854.59 = 4,353.35/x
3. Step 3: Cross multiply
   9,902.86x = 14,854.59 × 4,353.35
4. Step 4: Simplify right side
   9,902.86x = 64,667,155.10
5. Step 5: Solve for x
   x = 64,667,155.10/9,902.86
6. Step 6: Final answer
   x = 6,530.15