Finding the Fourth Proportional to 30,559.61, 42,192.88 and 19,092.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,559.61 : 42,192.88 = 19,092.06 : x
2. Step 2: Convert to fraction form
   30,559.61/42,192.88 = 19,092.06/x
3. Step 3: Cross multiply
   30,559.61x = 42,192.88 × 19,092.06
4. Step 4: Simplify right side
   30,559.61x = 805,548,785.57
5. Step 5: Solve for x
   x = 805,548,785.57/30,559.61
6. Step 6: Final answer
   x = 26,359.92