Finding the Fourth Proportional to 30,588.74, 42,214.42 and 17,160.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,588.74 : 42,214.42 = 17,160.86 : x
2. Step 2: Convert to fraction form
   30,588.74/42,214.42 = 17,160.86/x
3. Step 3: Cross multiply
   30,588.74x = 42,214.42 × 17,160.86
4. Step 4: Simplify right side
   30,588.74x = 724,435,782.06
5. Step 5: Solve for x
   x = 724,435,782.06/30,588.74
6. Step 6: Final answer
   x = 23,683.09