Finding the Fourth Proportional to 30,688.26, 42,347.98 and 17,075.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,688.26 : 42,347.98 = 17,075.94 : x
2. Step 2: Convert to fraction form
   30,688.26/42,347.98 = 17,075.94/x
3. Step 3: Cross multiply
   30,688.26x = 42,347.98 × 17,075.94
4. Step 4: Simplify right side
   30,688.26x = 723,131,565.60
5. Step 5: Solve for x
   x = 723,131,565.60/30,688.26
6. Step 6: Final answer
   x = 23,563.79