Finding the Fourth Proportional to 30,869.58, 42,597.50 and 17,442

Step by Step Solution

1. Step 1: Write the proportion equation
   30,869.58 : 42,597.50 = 17,442 : x
2. Step 2: Convert to fraction form
   30,869.58/42,597.50 = 17,442/x
3. Step 3: Cross multiply
   30,869.58x = 42,597.50 × 17,442
4. Step 4: Simplify right side
   30,869.58x = 742,985,507.79
5. Step 5: Solve for x
   x = 742,985,507.79/30,869.58
6. Step 6: Final answer
   x = 24,068.53