Finding the Fourth Proportional to 9,078.96, 12,529.68 and 5,100.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.96 : 12,529.68 = 5,100.33 : x
2. Step 2: Convert to fraction form
   9,078.96/12,529.68 = 5,100.33/x
3. Step 3: Cross multiply
   9,078.96x = 12,529.68 × 5,100.33
4. Step 4: Simplify right side
   9,078.96x = 63,905,502.79
5. Step 5: Solve for x
   x = 63,905,502.79/9,078.96
6. Step 6: Final answer
   x = 7,038.86