Finding the Fourth Proportional to 9,404.86, 14,109.16 and 4,210.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.86 : 14,109.16 = 4,210.78 : x
2. Step 2: Convert to fraction form
   9,404.86/14,109.16 = 4,210.78/x
3. Step 3: Cross multiply
   9,404.86x = 14,109.16 × 4,210.78
4. Step 4: Simplify right side
   9,404.86x = 59,410,568.74
5. Step 5: Solve for x
   x = 59,410,568.74/9,404.86
6. Step 6: Final answer
   x = 6,317.01