Finding the Fourth Proportional to 105,101.43, 157,448.03 and 93,320.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,101.43 : 157,448.03 = 93,320.79 : x
2. Step 2: Convert to fraction form
   105,101.43/157,448.03 = 93,320.79/x
3. Step 3: Cross multiply
   105,101.43x = 157,448.03 × 93,320.79
4. Step 4: Simplify right side
   105,101.43x = 14,693,174,076.94
5. Step 5: Solve for x
   x = 14,693,174,076.94/105,101.43
6. Step 6: Final answer
   x = 139,799.94