Finding the Fourth Proportional to 103,619.15, 155,169.52 and 82,883.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,619.15 : 155,169.52 = 82,883.15 : x
2. Step 2: Convert to fraction form
   103,619.15/155,169.52 = 82,883.15/x
3. Step 3: Cross multiply
   103,619.15x = 155,169.52 × 82,883.15
4. Step 4: Simplify right side
   103,619.15x = 12,860,938,601.59
5. Step 5: Solve for x
   x = 12,860,938,601.59/103,619.15
6. Step 6: Final answer
   x = 124,117.39