Finding the Fourth Proportional to 67,561.92, 93,238.56 and 40,713.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,561.92 : 93,238.56 = 40,713.12 : x
2. Step 2: Convert to fraction form
   67,561.92/93,238.56 = 40,713.12/x
3. Step 3: Cross multiply
   67,561.92x = 93,238.56 × 40,713.12
4. Step 4: Simplify right side
   67,561.92x = 3,796,032,681.91
5. Step 5: Solve for x
   x = 3,796,032,681.91/67,561.92
6. Step 6: Final answer
   x = 56,185.98