Finding the Fourth Proportional to 111,196.70, 153,443.46 and 62,783.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,196.70 : 153,443.46 = 62,783.71 : x
2. Step 2: Convert to fraction form
   111,196.70/153,443.46 = 62,783.71/x
3. Step 3: Cross multiply
   111,196.70x = 153,443.46 × 62,783.71
4. Step 4: Simplify right side
   111,196.70x = 9,633,749,545.87
5. Step 5: Solve for x
   x = 9,633,749,545.87/111,196.70
6. Step 6: Final answer
   x = 86,637.01