Finding the Fourth Proportional to 82,870.74, 114,361.65 and 45,144.99

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.74 : 114,361.65 = 45,144.99 : x
2. Step 2: Convert to fraction form
   82,870.74/114,361.65 = 45,144.99/x
3. Step 3: Cross multiply
   82,870.74x = 114,361.65 × 45,144.99
4. Step 4: Simplify right side
   82,870.74x = 5,162,855,545.63
5. Step 5: Solve for x
   x = 5,162,855,545.63/82,870.74
6. Step 6: Final answer
   x = 62,300.10