Finding the Fourth Proportional to 85,499.70, 117,989.32 and 47,773.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,499.70 : 117,989.32 = 47,773.98 : x
2. Step 2: Convert to fraction form
   85,499.70/117,989.32 = 47,773.98/x
3. Step 3: Cross multiply
   85,499.70x = 117,989.32 × 47,773.98
4. Step 4: Simplify right side
   85,499.70x = 5,636,819,413.89
5. Step 5: Solve for x
   x = 5,636,819,413.89/85,499.70
6. Step 6: Final answer
   x = 65,927.94