Finding the Fourth Proportional to 8,925.94, 12,317.90 and 4,947.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,925.94 : 12,317.90 = 4,947.12 : x
2. Step 2: Convert to fraction form
   8,925.94/12,317.90 = 4,947.12/x
3. Step 3: Cross multiply
   8,925.94x = 12,317.90 × 4,947.12
4. Step 4: Simplify right side
   8,925.94x = 60,938,129.45
5. Step 5: Solve for x
   x = 60,938,129.45/8,925.94
6. Step 6: Final answer
   x = 6,827.08