Finding the Fourth Proportional to 7,301.32, 10,953.35 and 3,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,301.32 : 10,953.35 = 3,405.72 : x
2. Step 2: Convert to fraction form
   7,301.32/10,953.35 = 3,405.72/x
3. Step 3: Cross multiply
   7,301.32x = 10,953.35 × 3,405.72
4. Step 4: Simplify right side
   7,301.32x = 37,304,079.98
5. Step 5: Solve for x
   x = 37,304,079.98/7,301.32
6. Step 6: Final answer
   x = 5,109.23