Finding the Fourth Proportional to 82,749.74, 124,109.69 and 35,391.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,749.74 : 124,109.69 = 35,391.47 : x
2. Step 2: Convert to fraction form
   82,749.74/124,109.69 = 35,391.47/x
3. Step 3: Cross multiply
   82,749.74x = 124,109.69 × 35,391.47
4. Step 4: Simplify right side
   82,749.74x = 4,392,423,572.84
5. Step 5: Solve for x
   x = 4,392,423,572.84/82,749.74
6. Step 6: Final answer
   x = 53,080.82