Finding the Fourth Proportional to 85,064.14, 117,388.56 and 49,256.05

Step by Step Solution

1. Step 1: Write the proportion equation
   85,064.14 : 117,388.56 = 49,256.05 : x
2. Step 2: Convert to fraction form
   85,064.14/117,388.56 = 49,256.05/x
3. Step 3: Cross multiply
   85,064.14x = 117,388.56 × 49,256.05
4. Step 4: Simplify right side
   85,064.14x = 5,782,096,780.79
5. Step 5: Solve for x
   x = 5,782,096,780.79/85,064.14
6. Step 6: Final answer
   x = 67,973.38