Finding the Fourth Proportional to 22,413,315.33, 30,938,114.84 and 13,123,871.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,413,315.33 : 30,938,114.84 = 13,123,871.51 : x
2. Step 2: Convert to fraction form
   22,413,315.33/30,938,114.84 = 13,123,871.51/x
3. Step 3: Cross multiply
   22,413,315.33x = 30,938,114.84 × 13,123,871.51
4. Step 4: Simplify right side
   22,413,315.33x = 406,027,843,701,474.31
5. Step 5: Solve for x
   x = 406,027,843,701,474.31/22,413,315.33
6. Step 6: Final answer
   x = 18,115,474.56