Finding the Fourth Proportional to 82,970.28, 114,498.18 and 45,242.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,970.28 : 114,498.18 = 45,242.28 : x
2. Step 2: Convert to fraction form
   82,970.28/114,498.18 = 45,242.28/x
3. Step 3: Cross multiply
   82,970.28x = 114,498.18 × 45,242.28
4. Step 4: Simplify right side
   82,970.28x = 5,180,158,719.05
5. Step 5: Solve for x
   x = 5,180,158,719.05/82,970.28
6. Step 6: Final answer
   x = 62,433.91