Finding the Fourth Proportional to 30,655, 42,303.98 and 17,407

Step by Step Solution

1. Step 1: Write the proportion equation
   30,655 : 42,303.98 = 17,407 : x
2. Step 2: Convert to fraction form
   30,655/42,303.98 = 17,407/x
3. Step 3: Cross multiply
   30,655x = 42,303.98 × 17,407
4. Step 4: Simplify right side
   30,655x = 736,385,379.86
5. Step 5: Solve for x
   x = 736,385,379.86/30,655
6. Step 6: Final answer
   x = 24,021.71