Finding the Fourth Proportional to 83,214.54, 124,809.50 and 30,611.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,214.54 : 124,809.50 = 30,611.72 : x
2. Step 2: Convert to fraction form
   83,214.54/124,809.50 = 30,611.72/x
3. Step 3: Cross multiply
   83,214.54x = 124,809.50 × 30,611.72
4. Step 4: Simplify right side
   83,214.54x = 3,820,633,543.87
5. Step 5: Solve for x
   x = 3,820,633,543.87/83,214.54
6. Step 6: Final answer
   x = 45,913.05