Finding the Fourth Proportional to 7,602.75, 10,499.02 and 7,188.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,602.75 : 10,499.02 = 7,188.59 : x
2. Step 2: Convert to fraction form
   7,602.75/10,499.02 = 7,188.59/x
3. Step 3: Cross multiply
   7,602.75x = 10,499.02 × 7,188.59
4. Step 4: Simplify right side
   7,602.75x = 75,473,128.93
5. Step 5: Solve for x
   x = 75,473,128.93/7,602.75
6. Step 6: Final answer
   x = 9,927.08