Finding the Fourth Proportional to 2,475.53, 3,713.82 and 915.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.53 : 3,713.82 = 915.54 : x
2. Step 2: Convert to fraction form
   2,475.53/3,713.82 = 915.54/x
3. Step 3: Cross multiply
   2,475.53x = 3,713.82 × 915.54
4. Step 4: Simplify right side
   2,475.53x = 3,400,150.76
5. Step 5: Solve for x
   x = 3,400,150.76/2,475.53
6. Step 6: Final answer
   x = 1,373.50