Finding the Fourth Proportional to 8,503.30, 11,729.37 and 5,980.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503.30 : 11,729.37 = 5,980.96 : x
2. Step 2: Convert to fraction form
   8,503.30/11,729.37 = 5,980.96/x
3. Step 3: Cross multiply
   8,503.30x = 11,729.37 × 5,980.96
4. Step 4: Simplify right side
   8,503.30x = 70,152,892.80
5. Step 5: Solve for x
   x = 70,152,892.80/8,503.30
6. Step 6: Final answer
   x = 8,250.08