Finding the Fourth Proportional to 13,058.72, 19,607.52 and 5,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,058.72 : 19,607.52 = 5,282.72 : x
2. Step 2: Convert to fraction form
   13,058.72/19,607.52 = 5,282.72/x
3. Step 3: Cross multiply
   13,058.72x = 19,607.52 × 5,282.72
4. Step 4: Simplify right side
   13,058.72x = 103,581,038.05
5. Step 5: Solve for x
   x = 103,581,038.05/13,058.72
6. Step 6: Final answer
   x = 7,931.94