Finding the Fourth Proportional to 83,637.15, 115,260.17 and 82,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,637.15 : 115,260.17 = 82,100.10 : x
2. Step 2: Convert to fraction form
   83,637.15/115,260.17 = 82,100.10/x
3. Step 3: Cross multiply
   83,637.15x = 115,260.17 × 82,100.10
4. Step 4: Simplify right side
   83,637.15x = 9,462,871,072.52
5. Step 5: Solve for x
   x = 9,462,871,072.52/83,637.15
6. Step 6: Final answer
   x = 113,141.96