Finding the Fourth Proportional to 21,866,626.48, 32,788,929.12 and 7,288,382.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,866,626.48 : 32,788,929.12 = 7,288,382.56 : x
2. Step 2: Convert to fraction form
   21,866,626.48/32,788,929.12 = 7,288,382.56/x
3. Step 3: Cross multiply
   21,866,626.48x = 32,788,929.12 × 7,288,382.56
4. Step 4: Simplify right side
   21,866,626.48x = 238,978,259,159,284.16
5. Step 5: Solve for x
   x = 238,978,259,159,284.16/21,866,626.48
6. Step 6: Final answer
   x = 10,928,903.89