Finding the Fourth Proportional to 118,518.21, 163,549.40 and 67,542.89

Step by Step Solution

1. Step 1: Write the proportion equation
   118,518.21 : 163,549.40 = 67,542.89 : x
2. Step 2: Convert to fraction form
   118,518.21/163,549.40 = 67,542.89/x
3. Step 3: Cross multiply
   118,518.21x = 163,549.40 × 67,542.89
4. Step 4: Simplify right side
   118,518.21x = 11,046,597,978.30
5. Step 5: Solve for x
   x = 11,046,597,978.30/118,518.21
6. Step 6: Final answer
   x = 93,205.91