Finding the Fourth Proportional to 85,746.34, 118,308.56 and 49,458.88

Step by Step Solution

1. Step 1: Write the proportion equation
   85,746.34 : 118,308.56 = 49,458.88 : x
2. Step 2: Convert to fraction form
   85,746.34/118,308.56 = 49,458.88/x
3. Step 3: Cross multiply
   85,746.34x = 118,308.56 × 49,458.88
4. Step 4: Simplify right side
   85,746.34x = 5,851,408,033.18
5. Step 5: Solve for x
   x = 5,851,408,033.18/85,746.34
6. Step 6: Final answer
   x = 68,240.91