Finding the Fourth Proportional to 12,706.56, 19,055.52 and 4,914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.56 : 19,055.52 = 4,914.72 : x
2. Step 2: Convert to fraction form
   12,706.56/19,055.52 = 4,914.72/x
3. Step 3: Cross multiply
   12,706.56x = 19,055.52 × 4,914.72
4. Step 4: Simplify right side
   12,706.56x = 93,652,545.25
5. Step 5: Solve for x
   x = 93,652,545.25/12,706.56
6. Step 6: Final answer
   x = 7,370.41