Finding the Fourth Proportional to 30,661.14, 42,311.37 and 17,232.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,661.14 : 42,311.37 = 17,232.06 : x
2. Step 2: Convert to fraction form
   30,661.14/42,311.37 = 17,232.06/x
3. Step 3: Cross multiply
   30,661.14x = 42,311.37 × 17,232.06
4. Step 4: Simplify right side
   30,661.14x = 729,112,066.52
5. Step 5: Solve for x
   x = 729,112,066.52/30,661.14
6. Step 6: Final answer
   x = 23,779.68