Finding the Fourth Proportional to 12,667.34, 18,995.54 and 4,870.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.34 : 18,995.54 = 4,870.69 : x
2. Step 2: Convert to fraction form
   12,667.34/18,995.54 = 4,870.69/x
3. Step 3: Cross multiply
   12,667.34x = 18,995.54 × 4,870.69
4. Step 4: Simplify right side
   12,667.34x = 92,521,314.88
5. Step 5: Solve for x
   x = 92,521,314.88/12,667.34
6. Step 6: Final answer
   x = 7,303.92