Finding the Fourth Proportional to 82,872.56, 114,363.96 and 45,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,872.56 : 114,363.96 = 45,146.72 : x
2. Step 2: Convert to fraction form
   82,872.56/114,363.96 = 45,146.72/x
3. Step 3: Cross multiply
   82,872.56x = 114,363.96 × 45,146.72
4. Step 4: Simplify right side
   82,872.56x = 5,163,157,680.21
5. Step 5: Solve for x
   x = 5,163,157,680.21/82,872.56
6. Step 6: Final answer
   x = 62,302.38