Finding the Fourth Proportional to 3,419.96, 5,123.76 and 1,572.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419.96 : 5,123.76 = 1,572.62 : x
2. Step 2: Convert to fraction form
   3,419.96/5,123.76 = 1,572.62/x
3. Step 3: Cross multiply
   3,419.96x = 5,123.76 × 1,572.62
4. Step 4: Simplify right side
   3,419.96x = 8,057,727.45
5. Step 5: Solve for x
   x = 8,057,727.45/3,419.96
6. Step 6: Final answer
   x = 2,356.09