Finding the Fourth Proportional to 9,463.54, 13,058.69 and 5,485.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,463.54 : 13,058.69 = 5,485.90 : x
2. Step 2: Convert to fraction form
   9,463.54/13,058.69 = 5,485.90/x
3. Step 3: Cross multiply
   9,463.54x = 13,058.69 × 5,485.90
4. Step 4: Simplify right side
   9,463.54x = 71,638,667.47
5. Step 5: Solve for x
   x = 71,638,667.47/9,463.54
6. Step 6: Final answer
   x = 7,569.97