Finding the Fourth Proportional to 116,480.33, 174,686.72 and 45,387.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,480.33 : 174,686.72 = 45,387.12 : x
2. Step 2: Convert to fraction form
   116,480.33/174,686.72 = 45,387.12/x
3. Step 3: Cross multiply
   116,480.33x = 174,686.72 × 45,387.12
4. Step 4: Simplify right side
   116,480.33x = 7,928,527,123.05
5. Step 5: Solve for x
   x = 7,928,527,123.05/116,480.33
6. Step 6: Final answer
   x = 68,067.52