Finding the Fourth Proportional to 9,407.46, 12,983.64 and 5,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.46 : 12,983.64 = 5,429.94 : x
2. Step 2: Convert to fraction form
   9,407.46/12,983.64 = 5,429.94/x
3. Step 3: Cross multiply
   9,407.46x = 12,983.64 × 5,429.94
4. Step 4: Simplify right side
   9,407.46x = 70,500,386.18
5. Step 5: Solve for x
   x = 70,500,386.18/9,407.46
6. Step 6: Final answer
   x = 7,494.09