Finding the Fourth Proportional to 52,559.34, 72,501.63 and 31,055.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,559.34 : 72,501.63 = 31,055.34 : x
2. Step 2: Convert to fraction form
   52,559.34/72,501.63 = 31,055.34/x
3. Step 3: Cross multiply
   52,559.34x = 72,501.63 × 31,055.34
4. Step 4: Simplify right side
   52,559.34x = 2,251,562,770.20
5. Step 5: Solve for x
   x = 2,251,562,770.20/52,559.34
6. Step 6: Final answer
   x = 42,838.49