Finding the Fourth Proportional to 83,660.28, 115,451.58 and 45,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,660.28 : 115,451.58 = 45,934.50 : x
2. Step 2: Convert to fraction form
   83,660.28/115,451.58 = 45,934.50/x
3. Step 3: Cross multiply
   83,660.28x = 115,451.58 × 45,934.50
4. Step 4: Simplify right side
   83,660.28x = 5,303,210,601.51
5. Step 5: Solve for x
   x = 5,303,210,601.51/83,660.28
6. Step 6: Final answer
   x = 63,389.83