Finding the Fourth Proportional to 45,382.38, 68,184.79 and 42,864.59

Step by Step Solution

1. Step 1: Write the proportion equation
   45,382.38 : 68,184.79 = 42,864.59 : x
2. Step 2: Convert to fraction form
   45,382.38/68,184.79 = 42,864.59/x
3. Step 3: Cross multiply
   45,382.38x = 68,184.79 × 42,864.59
4. Step 4: Simplify right side
   45,382.38x = 2,922,713,130.89
5. Step 5: Solve for x
   x = 2,922,713,130.89/45,382.38
6. Step 6: Final answer
   x = 64,401.94