Finding the Fourth Proportional to 30,774.62, 42,468.46 and 17,345.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,774.62 : 42,468.46 = 17,345.90 : x
2. Step 2: Convert to fraction form
   30,774.62/42,468.46 = 17,345.90/x
3. Step 3: Cross multiply
   30,774.62x = 42,468.46 × 17,345.90
4. Step 4: Simplify right side
   30,774.62x = 736,653,404.61
5. Step 5: Solve for x
   x = 736,653,404.61/30,774.62
6. Step 6: Final answer
   x = 23,937.05