Finding the Fourth Proportional to 52,810, 72,866.46 and 31,306.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,810 : 72,866.46 = 31,306.53 : x
2. Step 2: Convert to fraction form
   52,810/72,866.46 = 31,306.53/x
3. Step 3: Cross multiply
   52,810x = 72,866.46 × 31,306.53
4. Step 4: Simplify right side
   52,810x = 2,281,196,015.98
5. Step 5: Solve for x
   x = 2,281,196,015.98/52,810
6. Step 6: Final answer
   x = 43,196.29