Finding the Fourth Proportional to 52,590.56, 72,574.80 and 31,370.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,590.56 : 72,574.80 = 31,370.72 : x
2. Step 2: Convert to fraction form
   52,590.56/72,574.80 = 31,370.72/x
3. Step 3: Cross multiply
   52,590.56x = 72,574.80 × 31,370.72
4. Step 4: Simplify right side
   52,590.56x = 2,276,723,729.86
5. Step 5: Solve for x
   x = 2,276,723,729.86/52,590.56
6. Step 6: Final answer
   x = 43,291.49