Finding the Fourth Proportional to 9,193.38, 12,679.38 and 5,655.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,193.38 : 12,679.38 = 5,655.30 : x
2. Step 2: Convert to fraction form
   9,193.38/12,679.38 = 5,655.30/x
3. Step 3: Cross multiply
   9,193.38x = 12,679.38 × 5,655.30
4. Step 4: Simplify right side
   9,193.38x = 71,705,697.71
5. Step 5: Solve for x
   x = 71,705,697.71/9,193.38
6. Step 6: Final answer
   x = 7,799.71