Finding the Fourth Proportional to 9,853.92, 13,598.42 and 5,377.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.92 : 13,598.42 = 5,377.59 : x
2. Step 2: Convert to fraction form
   9,853.92/13,598.42 = 5,377.59/x
3. Step 3: Cross multiply
   9,853.92x = 13,598.42 × 5,377.59
4. Step 4: Simplify right side
   9,853.92x = 73,126,700.52
5. Step 5: Solve for x
   x = 73,126,700.52/9,853.92
6. Step 6: Final answer
   x = 7,421.08