Finding the Fourth Proportional to 67,710.42, 93,410.89 and 40,838.00

Step by Step Solution

1. Step 1: Write the proportion equation
   67,710.42 : 93,410.89 = 40,838.00 : x
2. Step 2: Convert to fraction form
   67,710.42/93,410.89 = 40,838.00/x
3. Step 3: Cross multiply
   67,710.42x = 93,410.89 × 40,838.00
4. Step 4: Simplify right side
   67,710.42x = 3,814,713,356.67
5. Step 5: Solve for x
   x = 3,814,713,356.67/67,710.42
6. Step 6: Final answer
   x = 56,338.65