Finding the Fourth Proportional to 82,156.43, 122,544.38 and 74,588.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,156.43 : 122,544.38 = 74,588.48 : x
2. Step 2: Convert to fraction form
   82,156.43/122,544.38 = 74,588.48/x
3. Step 3: Cross multiply
   82,156.43x = 122,544.38 × 74,588.48
4. Step 4: Simplify right side
   82,156.43x = 9,140,398,424.02
5. Step 5: Solve for x
   x = 9,140,398,424.02/82,156.43
6. Step 6: Final answer
   x = 111,256.03