Finding the Fourth Proportional to 1,410.05, 2,111.99 and 715.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.05 : 2,111.99 = 715.52 : x
2. Step 2: Convert to fraction form
   1,410.05/2,111.99 = 715.52/x
3. Step 3: Cross multiply
   1,410.05x = 2,111.99 × 715.52
4. Step 4: Simplify right side
   1,410.05x = 1,511,171.08
5. Step 5: Solve for x
   x = 1,511,171.08/1,410.05
6. Step 6: Final answer
   x = 1,071.71