Finding the Fourth Proportional to 9,885.83, 14,819.22 and 3,642.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.83 : 14,819.22 = 3,642.43 : x
2. Step 2: Convert to fraction form
   9,885.83/14,819.22 = 3,642.43/x
3. Step 3: Cross multiply
   9,885.83x = 14,819.22 × 3,642.43
4. Step 4: Simplify right side
   9,885.83x = 53,977,971.50
5. Step 5: Solve for x
   x = 53,977,971.50/9,885.83
6. Step 6: Final answer
   x = 5,460.14