Finding the Fourth Proportional to 9,081.51, 12,533.30 and 5,103.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.51 : 12,533.30 = 5,103.60 : x
2. Step 2: Convert to fraction form
   9,081.51/12,533.30 = 5,103.60/x
3. Step 3: Cross multiply
   9,081.51x = 12,533.30 × 5,103.60
4. Step 4: Simplify right side
   9,081.51x = 63,964,924.36
5. Step 5: Solve for x
   x = 63,964,924.36/9,081.51
6. Step 6: Final answer
   x = 7,043.42