Finding the Fourth Proportional to 103,637.15, 155,196.52 and 82,901.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,637.15 : 155,196.52 = 82,901.15 : x
2. Step 2: Convert to fraction form
   103,637.15/155,196.52 = 82,901.15/x
3. Step 3: Cross multiply
   103,637.15x = 155,196.52 × 82,901.15
4. Step 4: Simplify right side
   103,637.15x = 12,865,969,984.00
5. Step 5: Solve for x
   x = 12,865,969,984.00/103,637.15
6. Step 6: Final answer
   x = 124,144.38