Finding the Fourth Proportional to 21,866,624.48, 32,788,926.12 and 7,288,380.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,866,624.48 : 32,788,926.12 = 7,288,380.56 : x
2. Step 2: Convert to fraction form
   21,866,624.48/32,788,926.12 = 7,288,380.56/x
3. Step 3: Cross multiply
   21,866,624.48x = 32,788,926.12 × 7,288,380.56
4. Step 4: Simplify right side
   21,866,624.48x = 238,978,171,716,284.22
5. Step 5: Solve for x
   x = 238,978,171,716,284.22/21,866,624.48
6. Step 6: Final answer
   x = 10,928,900.89