Finding the Fourth Proportional to 30,656.86, 42,318.02 and 17,914.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,656.86 : 42,318.02 = 17,914.18 : x
2. Step 2: Convert to fraction form
   30,656.86/42,318.02 = 17,914.18/x
3. Step 3: Cross multiply
   30,656.86x = 42,318.02 × 17,914.18
4. Step 4: Simplify right side
   30,656.86x = 758,092,566.51
5. Step 5: Solve for x
   x = 758,092,566.51/30,656.86
6. Step 6: Final answer
   x = 24,728.32