Finding the Fourth Proportional to 30,597.60, 42,214.32 and 19,426.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,597.60 : 42,214.32 = 19,426.08 : x
2. Step 2: Convert to fraction form
   30,597.60/42,214.32 = 19,426.08/x
3. Step 3: Cross multiply
   30,597.60x = 42,214.32 × 19,426.08
4. Step 4: Simplify right side
   30,597.60x = 820,058,757.47
5. Step 5: Solve for x
   x = 820,058,757.47/30,597.60
6. Step 6: Final answer
   x = 26,801.41