Finding the Fourth Proportional to 68,196.42, 102,280.66 and 42,884.33

Step by Step Solution

1. Step 1: Write the proportion equation
   68,196.42 : 102,280.66 = 42,884.33 : x
2. Step 2: Convert to fraction form
   68,196.42/102,280.66 = 42,884.33/x
3. Step 3: Cross multiply
   68,196.42x = 102,280.66 × 42,884.33
4. Step 4: Simplify right side
   68,196.42x = 4,386,236,957.44
5. Step 5: Solve for x
   x = 4,386,236,957.44/68,196.42
6. Step 6: Final answer
   x = 64,317.70