Finding the Fourth Proportional to 85,499.58, 117,989.13 and 47,773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,499.58 : 117,989.13 = 47,773.83 : x
2. Step 2: Convert to fraction form
   85,499.58/117,989.13 = 47,773.83/x
3. Step 3: Cross multiply
   85,499.58x = 117,989.13 × 47,773.83
4. Step 4: Simplify right side
   85,499.58x = 5,636,792,638.47
5. Step 5: Solve for x
   x = 5,636,792,638.47/85,499.58
6. Step 6: Final answer
   x = 65,927.72