Finding the Fourth Proportional to 9,420.06, 12,999.83 and 5,441.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,420.06 : 12,999.83 = 5,441.98 : x
2. Step 2: Convert to fraction form
   9,420.06/12,999.83 = 5,441.98/x
3. Step 3: Cross multiply
   9,420.06x = 12,999.83 × 5,441.98
4. Step 4: Simplify right side
   9,420.06x = 70,744,814.86
5. Step 5: Solve for x
   x = 70,744,814.86/9,420.06
6. Step 6: Final answer
   x = 7,510.02