Finding the Fourth Proportional to 52,880.28, 72,962.98 and 31,359.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,880.28 : 72,962.98 = 31,359.09 : x
2. Step 2: Convert to fraction form
   52,880.28/72,962.98 = 31,359.09/x
3. Step 3: Cross multiply
   52,880.28x = 72,962.98 × 31,359.09
4. Step 4: Simplify right side
   52,880.28x = 2,288,052,844.94
5. Step 5: Solve for x
   x = 2,288,052,844.94/52,880.28
6. Step 6: Final answer
   x = 43,268.55