Finding the Fourth Proportional to 30,748.91, 42,437.52 and 17,322.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,748.91 : 42,437.52 = 17,322.76 : x
2. Step 2: Convert to fraction form
   30,748.91/42,437.52 = 17,322.76/x
3. Step 3: Cross multiply
   30,748.91x = 42,437.52 × 17,322.76
4. Step 4: Simplify right side
   30,748.91x = 735,134,867.86
5. Step 5: Solve for x
   x = 735,134,867.86/30,748.91
6. Step 6: Final answer
   x = 23,907.67