Finding the Fourth Proportional to 30,802.82, 42,507.86 and 16,655.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,802.82 : 42,507.86 = 16,655.63 : x
2. Step 2: Convert to fraction form
   30,802.82/42,507.86 = 16,655.63/x
3. Step 3: Cross multiply
   30,802.82x = 42,507.86 × 16,655.63
4. Step 4: Simplify right side
   30,802.82x = 707,994,892.43
5. Step 5: Solve for x
   x = 707,994,892.43/30,802.82
6. Step 6: Final answer
   x = 22,984.75