Finding the Fourth Proportional to 83,382.84, 115,067.76 and 45,142.11

Step by Step Solution

1. Step 1: Write the proportion equation
   83,382.84 : 115,067.76 = 45,142.11 : x
2. Step 2: Convert to fraction form
   83,382.84/115,067.76 = 45,142.11/x
3. Step 3: Cross multiply
   83,382.84x = 115,067.76 × 45,142.11
4. Step 4: Simplify right side
   83,382.84x = 5,194,401,479.37
5. Step 5: Solve for x
   x = 5,194,401,479.37/83,382.84
6. Step 6: Final answer
   x = 62,295.81