Finding the Fourth Proportional to 30,792.41, 42,493.52 and 16,645.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,792.41 : 42,493.52 = 16,645.25 : x
2. Step 2: Convert to fraction form
   30,792.41/42,493.52 = 16,645.25/x
3. Step 3: Cross multiply
   30,792.41x = 42,493.52 × 16,645.25
4. Step 4: Simplify right side
   30,792.41x = 707,314,968.09
5. Step 5: Solve for x
   x = 707,314,968.09/30,792.41
6. Step 6: Final answer
   x = 22,970.44