Finding the Fourth Proportional to 30,653.04, 42,293.78 and 17,899

Step by Step Solution

1. Step 1: Write the proportion equation
   30,653.04 : 42,293.78 = 17,899 : x
2. Step 2: Convert to fraction form
   30,653.04/42,293.78 = 17,899/x
3. Step 3: Cross multiply
   30,653.04x = 42,293.78 × 17,899
4. Step 4: Simplify right side
   30,653.04x = 757,016,368.22
5. Step 5: Solve for x
   x = 757,016,368.22/30,653.04
6. Step 6: Final answer
   x = 24,696.29