Finding the Fourth Proportional to 1,498.08, 2,242.86 and 1,190.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.08 : 2,242.86 = 1,190.40 : x
2. Step 2: Convert to fraction form
   1,498.08/2,242.86 = 1,190.40/x
3. Step 3: Cross multiply
   1,498.08x = 2,242.86 × 1,190.40
4. Step 4: Simplify right side
   1,498.08x = 2,669,900.54
5. Step 5: Solve for x
   x = 2,669,900.54/1,498.08
6. Step 6: Final answer
   x = 1,782.21