Finding the Fourth Proportional to 9,342.68, 12,890.61 and 5,563.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.68 : 12,890.61 = 5,563.41 : x
2. Step 2: Convert to fraction form
   9,342.68/12,890.61 = 5,563.41/x
3. Step 3: Cross multiply
   9,342.68x = 12,890.61 × 5,563.41
4. Step 4: Simplify right side
   9,342.68x = 71,715,748.58
5. Step 5: Solve for x
   x = 71,715,748.58/9,342.68
6. Step 6: Final answer
   x = 7,676.15