Finding the Fourth Proportional to 9,885.96, 14,830.29 and 3,645.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.96 : 14,830.29 = 3,645.18 : x
2. Step 2: Convert to fraction form
   9,885.96/14,830.29 = 3,645.18/x
3. Step 3: Cross multiply
   9,885.96x = 14,830.29 × 3,645.18
4. Step 4: Simplify right side
   9,885.96x = 54,059,076.50
5. Step 5: Solve for x
   x = 54,059,076.50/9,885.96
6. Step 6: Final answer
   x = 5,468.27