Finding the Fourth Proportional to 21,805,784.56, 32,688,879.57 and 10,879,316.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805,784.56 : 32,688,879.57 = 10,879,316.08 : x
2. Step 2: Convert to fraction form
   21,805,784.56/32,688,879.57 = 10,879,316.08/x
3. Step 3: Cross multiply
   21,805,784.56x = 32,688,879.57 × 10,879,316.08
4. Step 4: Simplify right side
   21,805,784.56x = 355,632,653,143,084.50
5. Step 5: Solve for x
   x = 355,632,653,143,084.50/21,805,784.56
6. Step 6: Final answer
   x = 16,309,096.89