Finding the Fourth Proportional to 9,148.56, 12,624.96 and 4,956.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.56 : 12,624.96 = 4,956.88 : x
2. Step 2: Convert to fraction form
   9,148.56/12,624.96 = 4,956.88/x
3. Step 3: Cross multiply
   9,148.56x = 12,624.96 × 4,956.88
4. Step 4: Simplify right side
   9,148.56x = 62,580,411.72
5. Step 5: Solve for x
   x = 62,580,411.72/9,148.56
6. Step 6: Final answer
   x = 6,840.47