Finding the Fourth Proportional to 1,535.19, 2,300.73 and 1,436.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.19 : 2,300.73 = 1,436.78 : x
2. Step 2: Convert to fraction form
   1,535.19/2,300.73 = 1,436.78/x
3. Step 3: Cross multiply
   1,535.19x = 2,300.73 × 1,436.78
4. Step 4: Simplify right side
   1,535.19x = 3,305,641.77
5. Step 5: Solve for x
   x = 3,305,641.77/1,535.19
6. Step 6: Final answer
   x = 2,153.24