Finding the Fourth Proportional to 8,051.67, 12,019.32 and 7,474.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,051.67 : 12,019.32 = 7,474.95 : x
2. Step 2: Convert to fraction form
   8,051.67/12,019.32 = 7,474.95/x
3. Step 3: Cross multiply
   8,051.67x = 12,019.32 × 7,474.95
4. Step 4: Simplify right side
   8,051.67x = 89,843,816.03
5. Step 5: Solve for x
   x = 89,843,816.03/8,051.67
6. Step 6: Final answer
   x = 11,158.41