Finding the Fourth Proportional to 31,099.01, 42,894.83 and 19,168.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,099.01 : 42,894.83 = 19,168.92 : x
2. Step 2: Convert to fraction form
   31,099.01/42,894.83 = 19,168.92/x
3. Step 3: Cross multiply
   31,099.01x = 42,894.83 × 19,168.92
4. Step 4: Simplify right side
   31,099.01x = 822,247,612.61
5. Step 5: Solve for x
   x = 822,247,612.61/31,099.01
6. Step 6: Final answer
   x = 26,439.68