Finding the Fourth Proportional to 31,060.55, 42,863.63 and 16,914.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.55 : 42,863.63 = 16,914.30 : x
2. Step 2: Convert to fraction form
   31,060.55/42,863.63 = 16,914.30/x
3. Step 3: Cross multiply
   31,060.55x = 42,863.63 × 16,914.30
4. Step 4: Simplify right side
   31,060.55x = 725,008,212.34
5. Step 5: Solve for x
   x = 725,008,212.34/31,060.55
6. Step 6: Final answer
   x = 23,341.77