Finding the Fourth Proportional to 30,502.98, 42,090.57 and 17,074.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,502.98 : 42,090.57 = 17,074.98 : x
2. Step 2: Convert to fraction form
   30,502.98/42,090.57 = 17,074.98/x
3. Step 3: Cross multiply
   30,502.98x = 42,090.57 × 17,074.98
4. Step 4: Simplify right side
   30,502.98x = 718,695,640.94
5. Step 5: Solve for x
   x = 718,695,640.94/30,502.98
6. Step 6: Final answer
   x = 23,561.49