Finding the Fourth Proportional to 30,910.32, 42,655.83 and 16,762.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.32 : 42,655.83 = 16,762.86 : x
2. Step 2: Convert to fraction form
   30,910.32/42,655.83 = 16,762.86/x
3. Step 3: Cross multiply
   30,910.32x = 42,655.83 × 16,762.86
4. Step 4: Simplify right side
   30,910.32x = 715,033,706.47
5. Step 5: Solve for x
   x = 715,033,706.47/30,910.32
6. Step 6: Final answer
   x = 23,132.52