Finding the Fourth Proportional to 8,948.72, 13,426.86 and 4,787.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,948.72 : 13,426.86 = 4,787.63 : x
2. Step 2: Convert to fraction form
   8,948.72/13,426.86 = 4,787.63/x
3. Step 3: Cross multiply
   8,948.72x = 13,426.86 × 4,787.63
4. Step 4: Simplify right side
   8,948.72x = 64,282,770.61
5. Step 5: Solve for x
   x = 64,282,770.61/8,948.72
6. Step 6: Final answer
   x = 7,183.46