Finding the Fourth Proportional to 83,483.69, 125,146.33 and 30,857.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,483.69 : 125,146.33 = 30,857.45 : x
2. Step 2: Convert to fraction form
   83,483.69/125,146.33 = 30,857.45/x
3. Step 3: Cross multiply
   83,483.69x = 125,146.33 × 30,857.45
4. Step 4: Simplify right side
   83,483.69x = 3,861,695,917.78
5. Step 5: Solve for x
   x = 3,861,695,917.78/83,483.69
6. Step 6: Final answer
   x = 46,256.89