Finding the Fourth Proportional to 82,918.53, 114,429.24 and 45,192.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,918.53 : 114,429.24 = 45,192.78 : x
2. Step 2: Convert to fraction form
   82,918.53/114,429.24 = 45,192.78/x
3. Step 3: Cross multiply
   82,918.53x = 114,429.24 × 45,192.78
4. Step 4: Simplify right side
   82,918.53x = 5,171,375,468.89
5. Step 5: Solve for x
   x = 5,171,375,468.89/82,918.53
6. Step 6: Final answer
   x = 62,366.95