Finding the Fourth Proportional to 85,504.56, 117,996.24 and 47,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,504.56 : 117,996.24 = 47,778.72 : x
2. Step 2: Convert to fraction form
   85,504.56/117,996.24 = 47,778.72/x
3. Step 3: Cross multiply
   85,504.56x = 117,996.24 × 47,778.72
4. Step 4: Simplify right side
   85,504.56x = 5,637,709,312.01
5. Step 5: Solve for x
   x = 5,637,709,312.01/85,504.56
6. Step 6: Final answer
   x = 65,934.60