Finding the Fourth Proportional to 31,053.68, 42,866.52 and 18,476

Step by Step Solution

1. Step 1: Write the proportion equation
   31,053.68 : 42,866.52 = 18,476 : x
2. Step 2: Convert to fraction form
   31,053.68/42,866.52 = 18,476/x
3. Step 3: Cross multiply
   31,053.68x = 42,866.52 × 18,476
4. Step 4: Simplify right side
   31,053.68x = 792,001,823.52
5. Step 5: Solve for x
   x = 792,001,823.52/31,053.68
6. Step 6: Final answer
   x = 25,504.28