Finding the Fourth Proportional to 30,802.32, 42,507 and 16,655.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,802.32 : 42,507 = 16,655.10 : x
2. Step 2: Convert to fraction form
   30,802.32/42,507 = 16,655.10/x
3. Step 3: Cross multiply
   30,802.32x = 42,507 × 16,655.10
4. Step 4: Simplify right side
   30,802.32x = 707,958,335.70
5. Step 5: Solve for x
   x = 707,958,335.70/30,802.32
6. Step 6: Final answer
   x = 22,983.93