Finding the Fourth Proportional to 30,784.56, 42,482.72 and 16,637.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,784.56 : 42,482.72 = 16,637.41 : x
2. Step 2: Convert to fraction form
   30,784.56/42,482.72 = 16,637.41/x
3. Step 3: Cross multiply
   30,784.56x = 42,482.72 × 16,637.41
4. Step 4: Simplify right side
   30,784.56x = 706,802,430.56
5. Step 5: Solve for x
   x = 706,802,430.56/30,784.56
6. Step 6: Final answer
   x = 22,959.64