Finding the Fourth Proportional to 8,602.58, 12,835.01 and 7,667.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,602.58 : 12,835.01 = 7,667.03 : x
2. Step 2: Convert to fraction form
   8,602.58/12,835.01 = 7,667.03/x
3. Step 3: Cross multiply
   8,602.58x = 12,835.01 × 7,667.03
4. Step 4: Simplify right side
   8,602.58x = 98,406,342.55
5. Step 5: Solve for x
   x = 98,406,342.55/8,602.58
6. Step 6: Final answer
   x = 11,439.17