Finding the Fourth Proportional to 105,111.48, 157,391.22 and 83,954.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,111.48 : 157,391.22 = 83,954.04 : x
2. Step 2: Convert to fraction form
   105,111.48/157,391.22 = 83,954.04/x
3. Step 3: Cross multiply
   105,111.48x = 157,391.22 × 83,954.04
4. Step 4: Simplify right side
   105,111.48x = 13,213,628,779.53
5. Step 5: Solve for x
   x = 13,213,628,779.53/105,111.48
6. Step 6: Final answer
   x = 125,710.61