Finding the Fourth Proportional to 3,810.96, 5,715.86 and 1,472.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810.96 : 5,715.86 = 1,472.07 : x
2. Step 2: Convert to fraction form
   3,810.96/5,715.86 = 1,472.07/x
3. Step 3: Cross multiply
   3,810.96x = 5,715.86 × 1,472.07
4. Step 4: Simplify right side
   3,810.96x = 8,414,146.03
5. Step 5: Solve for x
   x = 8,414,146.03/3,810.96
6. Step 6: Final answer
   x = 2,207.88