Finding the Fourth Proportional to 30,749.82, 42,427.29 and 17,321.07

Step by Step Solution

1. Step 1: Write the proportion equation
   30,749.82 : 42,427.29 = 17,321.07 : x
2. Step 2: Convert to fraction form
   30,749.82/42,427.29 = 17,321.07/x
3. Step 3: Cross multiply
   30,749.82x = 42,427.29 × 17,321.07
4. Step 4: Simplify right side
   30,749.82x = 734,886,060.00
5. Step 5: Solve for x
   x = 734,886,060.00/30,749.82
6. Step 6: Final answer
   x = 23,898.87