Finding the Fourth Proportional to 12,708.56, 19,058.52 and 4,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,708.56 : 19,058.52 = 4,916.72 : x
2. Step 2: Convert to fraction form
   12,708.56/19,058.52 = 4,916.72/x
3. Step 3: Cross multiply
   12,708.56x = 19,058.52 × 4,916.72
4. Step 4: Simplify right side
   12,708.56x = 93,705,406.45
5. Step 5: Solve for x
   x = 93,705,406.45/12,708.56
6. Step 6: Final answer
   x = 7,373.41