Finding the Fourth Proportional to 3,897.84, 5,846.82 and 1,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.84 : 5,846.82 = 1,300.78 : x
2. Step 2: Convert to fraction form
   3,897.84/5,846.82 = 1,300.78/x
3. Step 3: Cross multiply
   3,897.84x = 5,846.82 × 1,300.78
4. Step 4: Simplify right side
   3,897.84x = 7,605,428.95
5. Step 5: Solve for x
   x = 7,605,428.95/3,897.84
6. Step 6: Final answer
   x = 1,951.19