Finding the Fourth Proportional to 30,784.25, 42,482.21 and 16,637.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,784.25 : 42,482.21 = 16,637.06 : x
2. Step 2: Convert to fraction form
   30,784.25/42,482.21 = 16,637.06/x
3. Step 3: Cross multiply
   30,784.25x = 42,482.21 × 16,637.06
4. Step 4: Simplify right side
   30,784.25x = 706,779,099.72
5. Step 5: Solve for x
   x = 706,779,099.72/30,784.25
6. Step 6: Final answer
   x = 22,959.11