Finding the Fourth Proportional to 7,047.40, 9,725.42 and 3,903.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047.40 : 9,725.42 = 3,903.61 : x
2. Step 2: Convert to fraction form
   7,047.40/9,725.42 = 3,903.61/x
3. Step 3: Cross multiply
   7,047.40x = 9,725.42 × 3,903.61
4. Step 4: Simplify right side
   7,047.40x = 37,964,246.77
5. Step 5: Solve for x
   x = 37,964,246.77/7,047.40
6. Step 6: Final answer
   x = 5,386.99