Finding the Fourth Proportional to 30,743.15, 42,382.24 and 23,198.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,743.15 : 42,382.24 = 23,198.00 : x
2. Step 2: Convert to fraction form
   30,743.15/42,382.24 = 23,198.00/x
3. Step 3: Cross multiply
   30,743.15x = 42,382.24 × 23,198.00
4. Step 4: Simplify right side
   30,743.15x = 983,182,933.61
5. Step 5: Solve for x
   x = 983,182,933.61/30,743.15
6. Step 6: Final answer
   x = 31,980.56