Finding the Fourth Proportional to 82,810.52, 114,278.78 and 45,085

Step by Step Solution

1. Step 1: Write the proportion equation
   82,810.52 : 114,278.78 = 45,085 : x
2. Step 2: Convert to fraction form
   82,810.52/114,278.78 = 45,085/x
3. Step 3: Cross multiply
   82,810.52x = 114,278.78 × 45,085
4. Step 4: Simplify right side
   82,810.52x = 5,152,258,796.30
5. Step 5: Solve for x
   x = 5,152,258,796.30/82,810.52
6. Step 6: Final answer
   x = 62,217.44