Finding the Fourth Proportional to 21,902,404.96, 32,830,439.88 and 8,249,644

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902,404.96 : 32,830,439.88 = 8,249,644 : x
2. Step 2: Convert to fraction form
   21,902,404.96/32,830,439.88 = 8,249,644/x
3. Step 3: Cross multiply
   21,902,404.96x = 32,830,439.88 × 8,249,644
4. Step 4: Simplify right side
   21,902,404.96x = 270,839,441,373,402.72
5. Step 5: Solve for x
   x = 270,839,441,373,402.72/21,902,404.96
6. Step 6: Final answer
   x = 12,365,739.83