Finding the Fourth Proportional to 215,859,010.73, 323,788,571.98 and 60,435,716.83

Step by Step Solution

1. Step 1: Write the proportion equation
   215,859,010.73 : 323,788,571.98 = 60,435,716.83 : x
2. Step 2: Convert to fraction form
   215,859,010.73/323,788,571.98 = 60,435,716.83/x
3. Step 3: Cross multiply
   215,859,010.73x = 323,788,571.98 × 60,435,716.83
4. Step 4: Simplify right side
   215,859,010.73x = 19,568,394,448,012,792
5. Step 5: Solve for x
   x = 19,568,394,448,012,792/215,859,010.73
6. Step 6: Final answer
   x = 90,653,590.89