Finding the Fourth Proportional to 82,672.21, 114,087.17 and 45,878.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,672.21 : 114,087.17 = 45,878.05 : x
2. Step 2: Convert to fraction form
   82,672.21/114,087.17 = 45,878.05/x
3. Step 3: Cross multiply
   82,672.21x = 114,087.17 × 45,878.05
4. Step 4: Simplify right side
   82,672.21x = 5,234,096,888.86
5. Step 5: Solve for x
   x = 5,234,096,888.86/82,672.21
6. Step 6: Final answer
   x = 63,311.45