Finding the Fourth Proportional to 30,587.04, 42,209.86 and 17,158.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,587.04 : 42,209.86 = 17,158.00 : x
2. Step 2: Convert to fraction form
   30,587.04/42,209.86 = 17,158.00/x
3. Step 3: Cross multiply
   30,587.04x = 42,209.86 × 17,158.00
4. Step 4: Simplify right side
   30,587.04x = 724,236,859.49
5. Step 5: Solve for x
   x = 724,236,859.49/30,587.04
6. Step 6: Final answer
   x = 23,677.90