Finding the Fourth Proportional to 51,827.32, 71,517.78 and 30,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,827.32 : 71,517.78 = 30,602.50 : x
2. Step 2: Convert to fraction form
   51,827.32/71,517.78 = 30,602.50/x
3. Step 3: Cross multiply
   51,827.32x = 71,517.78 × 30,602.50
4. Step 4: Simplify right side
   51,827.32x = 2,188,622,862.45
5. Step 5: Solve for x
   x = 2,188,622,862.45/51,827.32
6. Step 6: Final answer
   x = 42,229.13