Finding the Fourth Proportional to 8,947.93, 12,346.15 and 5,411.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947.93 : 12,346.15 = 5,411.07 : x
2. Step 2: Convert to fraction form
   8,947.93/12,346.15 = 5,411.07/x
3. Step 3: Cross multiply
   8,947.93x = 12,346.15 × 5,411.07
4. Step 4: Simplify right side
   8,947.93x = 66,805,881.88
5. Step 5: Solve for x
   x = 66,805,881.88/8,947.93
6. Step 6: Final answer
   x = 7,466.07