Finding the Fourth Proportional to 7,667.60, 10,576.01 and 7,410.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.60 : 10,576.01 = 7,410.47 : x
2. Step 2: Convert to fraction form
   7,667.60/10,576.01 = 7,410.47/x
3. Step 3: Cross multiply
   7,667.60x = 10,576.01 × 7,410.47
4. Step 4: Simplify right side
   7,667.60x = 78,373,167.77
5. Step 5: Solve for x
   x = 78,373,167.77/7,667.60
6. Step 6: Final answer
   x = 10,221.34