Finding the Fourth Proportional to 1,464.15, 2,196.15 and 1,054.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.15 : 2,196.15 = 1,054.02 : x
2. Step 2: Convert to fraction form
   1,464.15/2,196.15 = 1,054.02/x
3. Step 3: Cross multiply
   1,464.15x = 2,196.15 × 1,054.02
4. Step 4: Simplify right side
   1,464.15x = 2,314,786.02
5. Step 5: Solve for x
   x = 2,314,786.02/1,464.15
6. Step 6: Final answer
   x = 1,580.98