Finding the Fourth Proportional to 30,995.56, 42,775.86 and 17,384.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,995.56 : 42,775.86 = 17,384.88 : x
2. Step 2: Convert to fraction form
   30,995.56/42,775.86 = 17,384.88/x
3. Step 3: Cross multiply
   30,995.56x = 42,775.86 × 17,384.88
4. Step 4: Simplify right side
   30,995.56x = 743,653,193.00
5. Step 5: Solve for x
   x = 743,653,193.00/30,995.56
6. Step 6: Final answer
   x = 23,992.25