Finding the Fourth Proportional to 30,784.30, 42,484.53 and 17,356.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,784.30 : 42,484.53 = 17,356.81 : x
2. Step 2: Convert to fraction form
   30,784.30/42,484.53 = 17,356.81/x
3. Step 3: Cross multiply
   30,784.30x = 42,484.53 × 17,356.81
4. Step 4: Simplify right side
   30,784.30x = 737,395,687.75
5. Step 5: Solve for x
   x = 737,395,687.75/30,784.30
6. Step 6: Final answer
   x = 23,953.63