Finding the Fourth Proportional to 82,870.38, 114,361.88 and 45,144.63

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.38 : 114,361.88 = 45,144.63 : x
2. Step 2: Convert to fraction form
   82,870.38/114,361.88 = 45,144.63/x
3. Step 3: Cross multiply
   82,870.38x = 114,361.88 × 45,144.63
4. Step 4: Simplify right side
   82,870.38x = 5,162,824,532.98
5. Step 5: Solve for x
   x = 5,162,824,532.98/82,870.38
6. Step 6: Final answer
   x = 62,300.00