Finding the Fourth Proportional to 9,081.39, 12,533.87 and 5,305.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.39 : 12,533.87 = 5,305.00 : x
2. Step 2: Convert to fraction form
   9,081.39/12,533.87 = 5,305.00/x
3. Step 3: Cross multiply
   9,081.39x = 12,533.87 × 5,305.00
4. Step 4: Simplify right side
   9,081.39x = 66,492,091.16
5. Step 5: Solve for x
   x = 66,492,091.16/9,081.39
6. Step 6: Final answer
   x = 7,321.80