Finding the Fourth Proportional to 116,311.28, 174,518.76 and 42,422

Step by Step Solution

1. Step 1: Write the proportion equation
   116,311.28 : 174,518.76 = 42,422 : x
2. Step 2: Convert to fraction form
   116,311.28/174,518.76 = 42,422/x
3. Step 3: Cross multiply
   116,311.28x = 174,518.76 × 42,422
4. Step 4: Simplify right side
   116,311.28x = 7,403,434,836.72
5. Step 5: Solve for x
   x = 7,403,434,836.72/116,311.28
6. Step 6: Final answer
   x = 63,651.91