Finding the Fourth Proportional to 31,089.15, 42,903.27 and 16,941.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,089.15 : 42,903.27 = 16,941.96 : x
2. Step 2: Convert to fraction form
   31,089.15/42,903.27 = 16,941.96/x
3. Step 3: Cross multiply
   31,089.15x = 42,903.27 × 16,941.96
4. Step 4: Simplify right side
   31,089.15x = 726,865,484.21
5. Step 5: Solve for x
   x = 726,865,484.21/31,089.15
6. Step 6: Final answer
   x = 23,380.04