Finding the Fourth Proportional to 52,618.82, 72,615.39 and 31,410.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,618.82 : 72,615.39 = 31,410.38 : x
2. Step 2: Convert to fraction form
   52,618.82/72,615.39 = 31,410.38/x
3. Step 3: Cross multiply
   52,618.82x = 72,615.39 × 31,410.38
4. Step 4: Simplify right side
   52,618.82x = 2,280,877,057.50
5. Step 5: Solve for x
   x = 2,280,877,057.50/52,618.82
6. Step 6: Final answer
   x = 43,347.18