Finding the Fourth Proportional to 410,755,238.25, 616,137,590.52 and 148,459,709.42

Step by Step Solution

1. Step 1: Write the proportion equation
   410,755,238.25 : 616,137,590.52 = 148,459,709.42 : x
2. Step 2: Convert to fraction form
   410,755,238.25/616,137,590.52 = 148,459,709.42/x
3. Step 3: Cross multiply
   410,755,238.25x = 616,137,590.52 × 148,459,709.42
4. Step 4: Simplify right side
   410,755,238.25x = 91,471,607,648,257,456
5. Step 5: Solve for x
   x = 91,471,607,648,257,456/410,755,238.25
6. Step 6: Final answer
   x = 222,691,274.83