Finding the Fourth Proportional to 85,852.72, 118,452.60 and 67,646.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,852.72 : 118,452.60 = 67,646.98 : x
2. Step 2: Convert to fraction form
   85,852.72/118,452.60 = 67,646.98/x
3. Step 3: Cross multiply
   85,852.72x = 118,452.60 × 67,646.98
4. Step 4: Simplify right side
   85,852.72x = 8,012,960,663.15
5. Step 5: Solve for x
   x = 8,012,960,663.15/85,852.72
6. Step 6: Final answer
   x = 93,333.80