Finding the Fourth Proportional to 21,805,783.56, 32,688,878.07 and 10,879,315.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805,783.56 : 32,688,878.07 = 10,879,315.08 : x
2. Step 2: Convert to fraction form
   21,805,783.56/32,688,878.07 = 10,879,315.08/x
3. Step 3: Cross multiply
   21,805,783.56x = 32,688,878.07 × 10,879,315.08
4. Step 4: Simplify right side
   21,805,783.56x = 355,632,604,195,978.38
5. Step 5: Solve for x
   x = 355,632,604,195,978.38/21,805,783.56
6. Step 6: Final answer
   x = 16,309,095.39