Finding the Fourth Proportional to 23,681,902.72, 32,681,121.60 and 12,816,883.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,681,902.72 : 32,681,121.60 = 12,816,883.84 : x
2. Step 2: Convert to fraction form
   23,681,902.72/32,681,121.60 = 12,816,883.84/x
3. Step 3: Cross multiply
   23,681,902.72x = 32,681,121.60 × 12,816,883.84
4. Step 4: Simplify right side
   23,681,902.72x = 418,870,139,308,114.94
5. Step 5: Solve for x
   x = 418,870,139,308,114.94/23,681,902.72
6. Step 6: Final answer
   x = 17,687,351.57