Finding the Fourth Proportional to 83,829.86, 115,709.76 and 49,862.24

Step by Step Solution

1. Step 1: Write the proportion equation
   83,829.86 : 115,709.76 = 49,862.24 : x
2. Step 2: Convert to fraction form
   83,829.86/115,709.76 = 49,862.24/x
3. Step 3: Cross multiply
   83,829.86x = 115,709.76 × 49,862.24
4. Step 4: Simplify right side
   83,829.86x = 5,769,547,823.46
5. Step 5: Solve for x
   x = 5,769,547,823.46/83,829.86
6. Step 6: Final answer
   x = 68,824.50