Finding the Fourth Proportional to 9,485.30, 13,088.79 and 5,506.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.30 : 13,088.79 = 5,506.58 : x
2. Step 2: Convert to fraction form
   9,485.30/13,088.79 = 5,506.58/x
3. Step 3: Cross multiply
   9,485.30x = 13,088.79 × 5,506.58
4. Step 4: Simplify right side
   9,485.30x = 72,074,501.96
5. Step 5: Solve for x
   x = 72,074,501.96/9,485.30
6. Step 6: Final answer
   x = 7,598.55