Finding the Fourth Proportional to 22,902,786.20, 31,606,056.60 and 12,448,827.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,902,786.20 : 31,606,056.60 = 12,448,827.10 : x
2. Step 2: Convert to fraction form
   22,902,786.20/31,606,056.60 = 12,448,827.10/x
3. Step 3: Cross multiply
   22,902,786.20x = 31,606,056.60 × 12,448,827.10
4. Step 4: Simplify right side
   22,902,786.20x = 393,458,333,935,173.69
5. Step 5: Solve for x
   x = 393,458,333,935,173.69/22,902,786.20
6. Step 6: Final answer
   x = 17,179,496.44