Finding the Fourth Proportional to 67,790.82, 93,519.69 and 42,654.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67,790.82 : 93,519.69 = 42,654.18 : x
2. Step 2: Convert to fraction form
   67,790.82/93,519.69 = 42,654.18/x
3. Step 3: Cross multiply
   67,790.82x = 93,519.69 × 42,654.18
4. Step 4: Simplify right side
   67,790.82x = 3,989,005,690.80
5. Step 5: Solve for x
   x = 3,989,005,690.80/67,790.82
6. Step 6: Final answer
   x = 58,842.86