Finding the Fourth Proportional to 106,149,791.86, 146,531,910.81 and 71,362,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,149,791.86 : 146,531,910.81 = 71,362,658.50 : x
2. Step 2: Convert to fraction form
   106,149,791.86/146,531,910.81 = 71,362,658.50/x
3. Step 3: Cross multiply
   106,149,791.86x = 146,531,910.81 × 71,362,658.50
4. Step 4: Simplify right side
   106,149,791.86x = 10,456,906,710,486,488
5. Step 5: Solve for x
   x = 10,456,906,710,486,488/106,149,791.86
6. Step 6: Final answer
   x = 98,510,854.59