Finding the Fourth Proportional to 82,749.60, 124,027.20 and 38,282.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,749.60 : 124,027.20 = 38,282.42 : x
2. Step 2: Convert to fraction form
   82,749.60/124,027.20 = 38,282.42/x
3. Step 3: Cross multiply
   82,749.60x = 124,027.20 × 38,282.42
4. Step 4: Simplify right side
   82,749.60x = 4,748,061,671.89
5. Step 5: Solve for x
   x = 4,748,061,671.89/82,749.60
6. Step 6: Final answer
   x = 57,378.67