Finding the Fourth Proportional to 12,283.32, 18,443.46 and 7,374.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,283.32 : 18,443.46 = 7,374.94 : x
2. Step 2: Convert to fraction form
   12,283.32/18,443.46 = 7,374.94/x
3. Step 3: Cross multiply
   12,283.32x = 18,443.46 × 7,374.94
4. Step 4: Simplify right side
   12,283.32x = 136,019,410.89
5. Step 5: Solve for x
   x = 136,019,410.89/12,283.32
6. Step 6: Final answer
   x = 11,073.51