Finding the Fourth Proportional to 9,503.77, 13,117.28 and 5,527.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,503.77 : 13,117.28 = 5,527.18 : x
2. Step 2: Convert to fraction form
   9,503.77/13,117.28 = 5,527.18/x
3. Step 3: Cross multiply
   9,503.77x = 13,117.28 × 5,527.18
4. Step 4: Simplify right side
   9,503.77x = 72,501,567.67
5. Step 5: Solve for x
   x = 72,501,567.67/9,503.77
6. Step 6: Final answer
   x = 7,628.72