Finding the Fourth Proportional to 9,602.77, 13,251.27 and 5,353.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,602.77 : 13,251.27 = 5,353.69 : x
2. Step 2: Convert to fraction form
   9,602.77/13,251.27 = 5,353.69/x
3. Step 3: Cross multiply
   9,602.77x = 13,251.27 × 5,353.69
4. Step 4: Simplify right side
   9,602.77x = 70,943,191.69
5. Step 5: Solve for x
   x = 70,943,191.69/9,602.77
6. Step 6: Final answer
   x = 7,387.78