Finding the Fourth Proportional to 1,488.42, 2,235.15 and 1,366.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.42 : 2,235.15 = 1,366.07 : x
2. Step 2: Convert to fraction form
   1,488.42/2,235.15 = 1,366.07/x
3. Step 3: Cross multiply
   1,488.42x = 2,235.15 × 1,366.07
4. Step 4: Simplify right side
   1,488.42x = 3,053,360.18
5. Step 5: Solve for x
   x = 3,053,360.18/1,488.42
6. Step 6: Final answer
   x = 2,051.41