Finding the Fourth Proportional to 9,419.72, 12,999.32 and 5,884.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.72 : 12,999.32 = 5,884.98 : x
2. Step 2: Convert to fraction form
   9,419.72/12,999.32 = 5,884.98/x
3. Step 3: Cross multiply
   9,419.72x = 12,999.32 × 5,884.98
4. Step 4: Simplify right side
   9,419.72x = 76,500,708.79
5. Step 5: Solve for x
   x = 76,500,708.79/9,419.72
6. Step 6: Final answer
   x = 8,121.34