Finding the Fourth Proportional to 9,477.56, 13,078.84 and 5,499.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.56 : 13,078.84 = 5,499.06 : x
2. Step 2: Convert to fraction form
   9,477.56/13,078.84 = 5,499.06/x
3. Step 3: Cross multiply
   9,477.56x = 13,078.84 × 5,499.06
4. Step 4: Simplify right side
   9,477.56x = 71,921,325.89
5. Step 5: Solve for x
   x = 71,921,325.89/9,477.56
6. Step 6: Final answer
   x = 7,588.59