Finding the Fourth Proportional to 52,619.82, 72,616.77 and 31,411.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,619.82 : 72,616.77 = 31,411.38 : x
2. Step 2: Convert to fraction form
   52,619.82/72,616.77 = 31,411.38/x
3. Step 3: Cross multiply
   52,619.82x = 72,616.77 × 31,411.38
4. Step 4: Simplify right side
   52,619.82x = 2,280,992,956.84
5. Step 5: Solve for x
   x = 2,280,992,956.84/52,619.82
6. Step 6: Final answer
   x = 43,348.55