Finding the Fourth Proportional to 13,527.94, 20,296.52 and 7,288.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,527.94 : 20,296.52 = 7,288.59 : x
2. Step 2: Convert to fraction form
   13,527.94/20,296.52 = 7,288.59/x
3. Step 3: Cross multiply
   13,527.94x = 20,296.52 × 7,288.59
4. Step 4: Simplify right side
   13,527.94x = 147,933,081.67
5. Step 5: Solve for x
   x = 147,933,081.67/13,527.94
6. Step 6: Final answer
   x = 10,935.37