Finding the Fourth Proportional to 67,452.34, 93,069.78 and 39,142.84

Step by Step Solution

1. Step 1: Write the proportion equation
   67,452.34 : 93,069.78 = 39,142.84 : x
2. Step 2: Convert to fraction form
   67,452.34/93,069.78 = 39,142.84/x
3. Step 3: Cross multiply
   67,452.34x = 93,069.78 × 39,142.84
4. Step 4: Simplify right side
   67,452.34x = 3,643,015,507.38
5. Step 5: Solve for x
   x = 3,643,015,507.38/67,452.34
6. Step 6: Final answer
   x = 54,008.73