Finding the Fourth Proportional to 51,867.07, 71,577.98 and 31,723.59

Step by Step Solution

1. Step 1: Write the proportion equation
   51,867.07 : 71,577.98 = 31,723.59 : x
2. Step 2: Convert to fraction form
   51,867.07/71,577.98 = 31,723.59/x
3. Step 3: Cross multiply
   51,867.07x = 71,577.98 × 31,723.59
4. Step 4: Simplify right side
   51,867.07x = 2,270,710,490.55
5. Step 5: Solve for x
   x = 2,270,710,490.55/51,867.07
6. Step 6: Final answer
   x = 43,779.42