Finding the Fourth Proportional to 52,806.09, 72,872.43 and 31,590.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,806.09 : 72,872.43 = 31,590.37 : x
2. Step 2: Convert to fraction form
   52,806.09/72,872.43 = 31,590.37/x
3. Step 3: Cross multiply
   52,806.09x = 72,872.43 × 31,590.37
4. Step 4: Simplify right side
   52,806.09x = 2,302,066,999.13
5. Step 5: Solve for x
   x = 2,302,066,999.13/52,806.09
6. Step 6: Final answer
   x = 43,594.72