Finding the Fourth Proportional to 30,917.52, 42,667.14 and 17,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,917.52 : 42,667.14 = 17,488.50 : x
2. Step 2: Convert to fraction form
   30,917.52/42,667.14 = 17,488.50/x
3. Step 3: Cross multiply
   30,917.52x = 42,667.14 × 17,488.50
4. Step 4: Simplify right side
   30,917.52x = 746,184,277.89
5. Step 5: Solve for x
   x = 746,184,277.89/30,917.52
6. Step 6: Final answer
   x = 24,134.67