Finding the Fourth Proportional to 12,667.74, 19,003.77 and 4,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.74 : 19,003.77 = 4,348.50 : x
2. Step 2: Convert to fraction form
   12,667.74/19,003.77 = 4,348.50/x
3. Step 3: Cross multiply
   12,667.74x = 19,003.77 × 4,348.50
4. Step 4: Simplify right side
   12,667.74x = 82,637,893.85
5. Step 5: Solve for x
   x = 82,637,893.85/12,667.74
6. Step 6: Final answer
   x = 6,523.49