Finding the Fourth Proportional to 30,802.48, 42,507.38 and 16,655.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,802.48 : 42,507.38 = 16,655.32 : x
2. Step 2: Convert to fraction form
   30,802.48/42,507.38 = 16,655.32/x
3. Step 3: Cross multiply
   30,802.48x = 42,507.38 × 16,655.32
4. Step 4: Simplify right side
   30,802.48x = 707,974,111.03
5. Step 5: Solve for x
   x = 707,974,111.03/30,802.48
6. Step 6: Final answer
   x = 22,984.32