Finding the Fourth Proportional to 10,210.73, 15,323.72 and 7,584.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210.73 : 15,323.72 = 7,584.30 : x
2. Step 2: Convert to fraction form
   10,210.73/15,323.72 = 7,584.30/x
3. Step 3: Cross multiply
   10,210.73x = 15,323.72 × 7,584.30
4. Step 4: Simplify right side
   10,210.73x = 116,219,651.67
5. Step 5: Solve for x
   x = 116,219,651.67/10,210.73
6. Step 6: Final answer
   x = 11,382.12