Finding the Fourth Proportional to 130,067.72, 195,012.78 and 62,564.12

Step by Step Solution

1. Step 1: Write the proportion equation
   130,067.72 : 195,012.78 = 62,564.12 : x
2. Step 2: Convert to fraction form
   130,067.72/195,012.78 = 62,564.12/x
3. Step 3: Cross multiply
   130,067.72x = 195,012.78 × 62,564.12
4. Step 4: Simplify right side
   130,067.72x = 12,200,802,969.45
5. Step 5: Solve for x
   x = 12,200,802,969.45/130,067.72
6. Step 6: Final answer
   x = 93,803.47