Finding the Fourth Proportional to 10,071.18, 15,106.81 and 3,407.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.18 : 15,106.81 = 3,407.73 : x
2. Step 2: Convert to fraction form
   10,071.18/15,106.81 = 3,407.73/x
3. Step 3: Cross multiply
   10,071.18x = 15,106.81 × 3,407.73
4. Step 4: Simplify right side
   10,071.18x = 51,479,929.64
5. Step 5: Solve for x
   x = 51,479,929.64/10,071.18
6. Step 6: Final answer
   x = 5,111.61