Finding the Fourth Proportional to 21,647,509.60, 32,467,204.72 and 10,861,914.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,647,509.60 : 32,467,204.72 = 10,861,914.52 : x
2. Step 2: Convert to fraction form
   21,647,509.60/32,467,204.72 = 10,861,914.52/x
3. Step 3: Cross multiply
   21,647,509.60x = 32,467,204.72 × 10,861,914.52
4. Step 4: Simplify right side
   21,647,509.60x = 352,656,002,371,980.50
5. Step 5: Solve for x
   x = 352,656,002,371,980.50/21,647,509.60
6. Step 6: Final answer
   x = 16,290,834.78