Finding the Fourth Proportional to 67,181.94, 92,611.69 and 42,980.29

Step by Step Solution

1. Step 1: Write the proportion equation
   67,181.94 : 92,611.69 = 42,980.29 : x
2. Step 2: Convert to fraction form
   67,181.94/92,611.69 = 42,980.29/x
3. Step 3: Cross multiply
   67,181.94x = 92,611.69 × 42,980.29
4. Step 4: Simplify right side
   67,181.94x = 3,980,476,954.61
5. Step 5: Solve for x
   x = 3,980,476,954.61/67,181.94
6. Step 6: Final answer
   x = 59,249.21