Finding the Fourth Proportional to 52,808, 72,863.70 and 31,304.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,808 : 72,863.70 = 31,304.53 : x
2. Step 2: Convert to fraction form
   52,808/72,863.70 = 31,304.53/x
3. Step 3: Cross multiply
   52,808x = 72,863.70 × 31,304.53
4. Step 4: Simplify right side
   52,808x = 2,280,963,882.56
5. Step 5: Solve for x
   x = 2,280,963,882.56/52,808
6. Step 6: Final answer
   x = 43,193.53