Finding the Fourth Proportional to 83,216.54, 124,812.50 and 30,613.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,216.54 : 124,812.50 = 30,613.72 : x
2. Step 2: Convert to fraction form
   83,216.54/124,812.50 = 30,613.72/x
3. Step 3: Cross multiply
   83,216.54x = 124,812.50 × 30,613.72
4. Step 4: Simplify right side
   83,216.54x = 3,820,974,927.50
5. Step 5: Solve for x
   x = 3,820,974,927.50/83,216.54
6. Step 6: Final answer
   x = 45,916.05