Finding the Fourth Proportional to 23,118,072.03, 31,902,938.82 and 12,805,459.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,118,072.03 : 31,902,938.82 = 12,805,459.43 : x
2. Step 2: Convert to fraction form
   23,118,072.03/31,902,938.82 = 12,805,459.43/x
3. Step 3: Cross multiply
   23,118,072.03x = 31,902,938.82 × 12,805,459.43
4. Step 4: Simplify right side
   23,118,072.03x = 408,531,788,597,767.38
5. Step 5: Solve for x
   x = 408,531,788,597,767.38/23,118,072.03
6. Step 6: Final answer
   x = 17,671,533.68