Finding the Fourth Proportional to 7,301.37, 10,953.42 and 3,405.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,301.37 : 10,953.42 = 3,405.78 : x
2. Step 2: Convert to fraction form
   7,301.37/10,953.42 = 3,405.78/x
3. Step 3: Cross multiply
   7,301.37x = 10,953.42 × 3,405.78
4. Step 4: Simplify right side
   7,301.37x = 37,304,938.77
5. Step 5: Solve for x
   x = 37,304,938.77/7,301.37
6. Step 6: Final answer
   x = 5,109.31