Finding the Fourth Proportional to 85,646.42, 118,164.89 and 49,829.51

Step by Step Solution

1. Step 1: Write the proportion equation
   85,646.42 : 118,164.89 = 49,829.51 : x
2. Step 2: Convert to fraction form
   85,646.42/118,164.89 = 49,829.51/x
3. Step 3: Cross multiply
   85,646.42x = 118,164.89 × 49,829.51
4. Step 4: Simplify right side
   85,646.42x = 5,888,099,059.96
5. Step 5: Solve for x
   x = 5,888,099,059.96/85,646.42
6. Step 6: Final answer
   x = 68,748.92