Finding the Fourth Proportional to 1,504.16, 2,075.88 and 915.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.16 : 2,075.88 = 915.02 : x
2. Step 2: Convert to fraction form
   1,504.16/2,075.88 = 915.02/x
3. Step 3: Cross multiply
   1,504.16x = 2,075.88 × 915.02
4. Step 4: Simplify right side
   1,504.16x = 1,899,471.72
5. Step 5: Solve for x
   x = 1,899,471.72/1,504.16
6. Step 6: Final answer
   x = 1,262.81