Finding the Fourth Proportional to 31,060.14, 42,863.76 and 16,913.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.14 : 42,863.76 = 16,913.76 : x
2. Step 2: Convert to fraction form
   31,060.14/42,863.76 = 16,913.76/x
3. Step 3: Cross multiply
   31,060.14x = 42,863.76 × 16,913.76
4. Step 4: Simplify right side
   31,060.14x = 724,987,349.34
5. Step 5: Solve for x
   x = 724,987,349.34/31,060.14
6. Step 6: Final answer
   x = 23,341.41