Finding the Fourth Proportional to 83,426.45, 115,128.89 and 45,700.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,426.45 : 115,128.89 = 45,700.70 : x
2. Step 2: Convert to fraction form
   83,426.45/115,128.89 = 45,700.70/x
3. Step 3: Cross multiply
   83,426.45x = 115,128.89 × 45,700.70
4. Step 4: Simplify right side
   83,426.45x = 5,261,470,059.08
5. Step 5: Solve for x
   x = 5,261,470,059.08/83,426.45
6. Step 6: Final answer
   x = 63,067.17