Finding the Fourth Proportional to 10,667.61, 14,719.02 and 6,190.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.61 : 14,719.02 = 6,190.77 : x
2. Step 2: Convert to fraction form
   10,667.61/14,719.02 = 6,190.77/x
3. Step 3: Cross multiply
   10,667.61x = 14,719.02 × 6,190.77
4. Step 4: Simplify right side
   10,667.61x = 91,122,067.45
5. Step 5: Solve for x
   x = 91,122,067.45/10,667.61
6. Step 6: Final answer
   x = 8,541.94