Finding the Fourth Proportional to 30,757.07, 42,444.89 and 17,328.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,757.07 : 42,444.89 = 17,328.53 : x
2. Step 2: Convert to fraction form
   30,757.07/42,444.89 = 17,328.53/x
3. Step 3: Cross multiply
   30,757.07x = 42,444.89 × 17,328.53
4. Step 4: Simplify right side
   30,757.07x = 735,507,486.92
5. Step 5: Solve for x
   x = 735,507,486.92/30,757.07
6. Step 6: Final answer
   x = 23,913.45