Finding the Fourth Proportional to 1,575.04, 2,357.60 and 1,298.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.04 : 2,357.60 = 1,298.56 : x
2. Step 2: Convert to fraction form
   1,575.04/2,357.60 = 1,298.56/x
3. Step 3: Cross multiply
   1,575.04x = 2,357.60 × 1,298.56
4. Step 4: Simplify right side
   1,575.04x = 3,061,485.06
5. Step 5: Solve for x
   x = 3,061,485.06/1,575.04
6. Step 6: Final answer
   x = 1,943.75