Finding the Fourth Proportional to 12,320,196.62, 18,478,882.96 and 3,223,172.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320,196.62 : 18,478,882.96 = 3,223,172.07 : x
2. Step 2: Convert to fraction form
   12,320,196.62/18,478,882.96 = 3,223,172.07/x
3. Step 3: Cross multiply
   12,320,196.62x = 18,478,882.96 × 3,223,172.07
4. Step 4: Simplify right side
   12,320,196.62x = 59,560,619,433,412.99
5. Step 5: Solve for x
   x = 59,560,619,433,412.99/12,320,196.62
6. Step 6: Final answer
   x = 4,834,388.71