Finding the Fourth Proportional to 31,014.41, 42,800.33 and 19,070.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014.41 : 42,800.33 = 19,070.69 : x
2. Step 2: Convert to fraction form
   31,014.41/42,800.33 = 19,070.69/x
3. Step 3: Cross multiply
   31,014.41x = 42,800.33 × 19,070.69
4. Step 4: Simplify right side
   31,014.41x = 816,231,659.00
5. Step 5: Solve for x
   x = 816,231,659.00/31,014.41
6. Step 6: Final answer
   x = 26,317.82