Finding the Fourth Proportional to 1,504.18, 2,075.61 and 914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.18 : 2,075.61 = 914.50 : x
2. Step 2: Convert to fraction form
   1,504.18/2,075.61 = 914.50/x
3. Step 3: Cross multiply
   1,504.18x = 2,075.61 × 914.50
4. Step 4: Simplify right side
   1,504.18x = 1,898,145.35
5. Step 5: Solve for x
   x = 1,898,145.35/1,504.18
6. Step 6: Final answer
   x = 1,261.91