Finding the Fourth Proportional to 9,281.63, 12,809.46 and 5,090.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.63 : 12,809.46 = 5,090.69 : x
2. Step 2: Convert to fraction form
   9,281.63/12,809.46 = 5,090.69/x
3. Step 3: Cross multiply
   9,281.63x = 12,809.46 × 5,090.69
4. Step 4: Simplify right side
   9,281.63x = 65,208,925.88
5. Step 5: Solve for x
   x = 65,208,925.88/9,281.63
6. Step 6: Final answer
   x = 7,025.59