Finding the Fourth Proportional to 52,826.58, 72,900.69 and 31,605.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,826.58 : 72,900.69 = 31,605.78 : x
2. Step 2: Convert to fraction form
   52,826.58/72,900.69 = 31,605.78/x
3. Step 3: Cross multiply
   52,826.58x = 72,900.69 × 31,605.78
4. Step 4: Simplify right side
   52,826.58x = 2,304,083,169.99
5. Step 5: Solve for x
   x = 2,304,083,169.99/52,826.58
6. Step 6: Final answer
   x = 43,615.98