Finding the Fourth Proportional to 83,216.10, 124,811.84 and 30,613.29

Step by Step Solution

1. Step 1: Write the proportion equation
   83,216.10 : 124,811.84 = 30,613.29 : x
2. Step 2: Convert to fraction form
   83,216.10/124,811.84 = 30,613.29/x
3. Step 3: Cross multiply
   83,216.10x = 124,811.84 × 30,613.29
4. Step 4: Simplify right side
   83,216.10x = 3,820,901,053.35
5. Step 5: Solve for x
   x = 3,820,901,053.35/83,216.10
6. Step 6: Final answer
   x = 45,915.41