Finding the Fourth Proportional to 22,413,316.33, 30,938,116.22 and 13,123,872.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,413,316.33 : 30,938,116.22 = 13,123,872.51 : x
2. Step 2: Convert to fraction form
   22,413,316.33/30,938,116.22 = 13,123,872.51/x
3. Step 3: Cross multiply
   22,413,316.33x = 30,938,116.22 × 13,123,872.51
4. Step 4: Simplify right side
   22,413,316.33x = 406,027,892,970,843.06
5. Step 5: Solve for x
   x = 406,027,892,970,843.06/22,413,316.33
6. Step 6: Final answer
   x = 18,115,475.95