Finding the Fourth Proportional to 71,772.25, 107,588.52 and 34,322.61

Step by Step Solution

1. Step 1: Write the proportion equation
   71,772.25 : 107,588.52 = 34,322.61 : x
2. Step 2: Convert to fraction form
   71,772.25/107,588.52 = 34,322.61/x
3. Step 3: Cross multiply
   71,772.25x = 107,588.52 × 34,322.61
4. Step 4: Simplify right side
   71,772.25x = 3,692,718,274.49
5. Step 5: Solve for x
   x = 3,692,718,274.49/71,772.25
6. Step 6: Final answer
   x = 51,450.50