Finding the Fourth Proportional to 31,050.87, 42,849.30 and 17,623.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.87 : 42,849.30 = 17,623.36 : x
2. Step 2: Convert to fraction form
   31,050.87/42,849.30 = 17,623.36/x
3. Step 3: Cross multiply
   31,050.87x = 42,849.30 × 17,623.36
4. Step 4: Simplify right side
   31,050.87x = 755,148,639.65
5. Step 5: Solve for x
   x = 755,148,639.65/31,050.87
6. Step 6: Final answer
   x = 24,319.73