Finding the Fourth Proportional to 31,002.87, 42,783.06 and 17,575.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,002.87 : 42,783.06 = 17,575.36 : x
2. Step 2: Convert to fraction form
   31,002.87/42,783.06 = 17,575.36/x
3. Step 3: Cross multiply
   31,002.87x = 42,783.06 × 17,575.36
4. Step 4: Simplify right side
   31,002.87x = 751,927,681.40
5. Step 5: Solve for x
   x = 751,927,681.40/31,002.87
6. Step 6: Final answer
   x = 24,253.49