Finding the Fourth Proportional to 30,909.98, 42,655.56 and 16,762.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,909.98 : 42,655.56 = 16,762.82 : x
2. Step 2: Convert to fraction form
   30,909.98/42,655.56 = 16,762.82/x
3. Step 3: Cross multiply
   30,909.98x = 42,655.56 × 16,762.82
4. Step 4: Simplify right side
   30,909.98x = 715,027,474.28
5. Step 5: Solve for x
   x = 715,027,474.28/30,909.98
6. Step 6: Final answer
   x = 23,132.58