Finding the Fourth Proportional to 67,066.52, 92,554.30 and 40,213.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,066.52 : 92,554.30 = 40,213.40 : x
2. Step 2: Convert to fraction form
   67,066.52/92,554.30 = 40,213.40/x
3. Step 3: Cross multiply
   67,066.52x = 92,554.30 × 40,213.40
4. Step 4: Simplify right side
   67,066.52x = 3,721,923,087.62
5. Step 5: Solve for x
   x = 3,721,923,087.62/67,066.52
6. Step 6: Final answer
   x = 55,495.99