Finding the Fourth Proportional to 30,492.99, 42,074.79 and 17,570.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,492.99 : 42,074.79 = 17,570.25 : x
2. Step 2: Convert to fraction form
   30,492.99/42,074.79 = 17,570.25/x
3. Step 3: Cross multiply
   30,492.99x = 42,074.79 × 17,570.25
4. Step 4: Simplify right side
   30,492.99x = 739,264,611.94
5. Step 5: Solve for x
   x = 739,264,611.94/30,492.99
6. Step 6: Final answer
   x = 24,243.76