Finding the Fourth Proportional to 85,505.50, 117,997.59 and 47,783.26

Step by Step Solution

1. Step 1: Write the proportion equation
   85,505.50 : 117,997.59 = 47,783.26 : x
2. Step 2: Convert to fraction form
   85,505.50/117,997.59 = 47,783.26/x
3. Step 3: Cross multiply
   85,505.50x = 117,997.59 × 47,783.26
4. Step 4: Simplify right side
   85,505.50x = 5,638,309,522.34
5. Step 5: Solve for x
   x = 5,638,309,522.34/85,505.50
6. Step 6: Final answer
   x = 65,940.90