Finding the Fourth Proportional to 82,748.76, 124,142.64 and 36,015

Step by Step Solution

1. Step 1: Write the proportion equation
   82,748.76 : 124,142.64 = 36,015 : x
2. Step 2: Convert to fraction form
   82,748.76/124,142.64 = 36,015/x
3. Step 3: Cross multiply
   82,748.76x = 124,142.64 × 36,015
4. Step 4: Simplify right side
   82,748.76x = 4,470,997,179.60
5. Step 5: Solve for x
   x = 4,470,997,179.60/82,748.76
6. Step 6: Final answer
   x = 54,030.99