Finding the Fourth Proportional to 52,834.84, 72,912.90 and 31,615

Step by Step Solution

1. Step 1: Write the proportion equation
   52,834.84 : 72,912.90 = 31,615 : x
2. Step 2: Convert to fraction form
   52,834.84/72,912.90 = 31,615/x
3. Step 3: Cross multiply
   52,834.84x = 72,912.90 × 31,615
4. Step 4: Simplify right side
   52,834.84x = 2,305,141,333.50
5. Step 5: Solve for x
   x = 2,305,141,333.50/52,834.84
6. Step 6: Final answer
   x = 43,629.19