Finding the Fourth Proportional to 2,513.96, 3,770.32 and 1,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.96 : 3,770.32 = 1,053.12 : x
2. Step 2: Convert to fraction form
   2,513.96/3,770.32 = 1,053.12/x
3. Step 3: Cross multiply
   2,513.96x = 3,770.32 × 1,053.12
4. Step 4: Simplify right side
   2,513.96x = 3,970,599.40
5. Step 5: Solve for x
   x = 3,970,599.40/2,513.96
6. Step 6: Final answer
   x = 1,579.42