Finding the Fourth Proportional to 1,357.02, 1,874.34 and 1,097.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.02 : 1,874.34 = 1,097.01 : x
2. Step 2: Convert to fraction form
   1,357.02/1,874.34 = 1,097.01/x
3. Step 3: Cross multiply
   1,357.02x = 1,874.34 × 1,097.01
4. Step 4: Simplify right side
   1,357.02x = 2,056,169.72
5. Step 5: Solve for x
   x = 2,056,169.72/1,357.02
6. Step 6: Final answer
   x = 1,515.21