Finding the Fourth Proportional to 85,499.74, 117,989.34 and 47,773.99

Step by Step Solution

1. Step 1: Write the proportion equation
   85,499.74 : 117,989.34 = 47,773.99 : x
2. Step 2: Convert to fraction form
   85,499.74/117,989.34 = 47,773.99/x
3. Step 3: Cross multiply
   85,499.74x = 117,989.34 × 47,773.99
4. Step 4: Simplify right side
   85,499.74x = 5,636,821,549.27
5. Step 5: Solve for x
   x = 5,636,821,549.27/85,499.74
6. Step 6: Final answer
   x = 65,927.94