Finding the Fourth Proportional to 85,741.72, 118,313.82 and 49,924.18

Step by Step Solution

1. Step 1: Write the proportion equation
   85,741.72 : 118,313.82 = 49,924.18 : x
2. Step 2: Convert to fraction form
   85,741.72/118,313.82 = 49,924.18/x
3. Step 3: Cross multiply
   85,741.72x = 118,313.82 × 49,924.18
4. Step 4: Simplify right side
   85,741.72x = 5,906,720,446.17
5. Step 5: Solve for x
   x = 5,906,720,446.17/85,741.72
6. Step 6: Final answer
   x = 68,889.69