Finding the Fourth Proportional to 31,859.08, 43,870.98 and 22,890.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,859.08 : 43,870.98 = 22,890.76 : x
2. Step 2: Convert to fraction form
   31,859.08/43,870.98 = 22,890.76/x
3. Step 3: Cross multiply
   31,859.08x = 43,870.98 × 22,890.76
4. Step 4: Simplify right side
   31,859.08x = 1,004,240,074.14
5. Step 5: Solve for x
   x = 1,004,240,074.14/31,859.08
6. Step 6: Final answer
   x = 31,521.31