Finding the Fourth Proportional to 13,900,361.24, 19,182,654.56 and 7,940,557.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900,361.24 : 19,182,654.56 = 7,940,557.34 : x
2. Step 2: Convert to fraction form
   13,900,361.24/19,182,654.56 = 7,940,557.34/x
3. Step 3: Cross multiply
   13,900,361.24x = 19,182,654.56 × 7,940,557.34
4. Step 4: Simplify right side
   13,900,361.24x = 152,320,968,467,092.47
5. Step 5: Solve for x
   x = 152,320,968,467,092.47/13,900,361.24
6. Step 6: Final answer
   x = 10,958,058.27