Finding the Fourth Proportional to 21,483,768.80, 32,225,337.33 and 5,309,721.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,483,768.80 : 32,225,337.33 = 5,309,721.47 : x
2. Step 2: Convert to fraction form
   21,483,768.80/32,225,337.33 = 5,309,721.47/x
3. Step 3: Cross multiply
   21,483,768.80x = 32,225,337.33 × 5,309,721.47
4. Step 4: Simplify right side
   21,483,768.80x = 171,107,565,499,093.47
5. Step 5: Solve for x
   x = 171,107,565,499,093.47/21,483,768.80
6. Step 6: Final answer
   x = 7,964,504.14