Finding the Fourth Proportional to 3,148.50, 4,722.96 and 1,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,148.50 : 4,722.96 = 1,068.72 : x
2. Step 2: Convert to fraction form
   3,148.50/4,722.96 = 1,068.72/x
3. Step 3: Cross multiply
   3,148.50x = 4,722.96 × 1,068.72
4. Step 4: Simplify right side
   3,148.50x = 5,047,521.81
5. Step 5: Solve for x
   x = 5,047,521.81/3,148.50
6. Step 6: Final answer
   x = 1,603.15