Finding the Fourth Proportional to 30,548.64, 42,153.42 and 17,116.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,548.64 : 42,153.42 = 17,116.83 : x
2. Step 2: Convert to fraction form
   30,548.64/42,153.42 = 17,116.83/x
3. Step 3: Cross multiply
   30,548.64x = 42,153.42 × 17,116.83
4. Step 4: Simplify right side
   30,548.64x = 721,532,924.06
5. Step 5: Solve for x
   x = 721,532,924.06/30,548.64
6. Step 6: Final answer
   x = 23,619.15