Finding the Fourth Proportional to 30,411,128.48, 41,933,734.79 and 19,380,414.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,411,128.48 : 41,933,734.79 = 19,380,414.42 : x
2. Step 2: Convert to fraction form
   30,411,128.48/41,933,734.79 = 19,380,414.42/x
3. Step 3: Cross multiply
   30,411,128.48x = 41,933,734.79 × 19,380,414.42
4. Step 4: Simplify right side
   30,411,128.48x = 812,693,158,311,669.62
5. Step 5: Solve for x
   x = 812,693,158,311,669.62/30,411,128.48
6. Step 6: Final answer
   x = 26,723,544.93