Finding the Fourth Proportional to 3,897.78, 5,847.27 and 1,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.78 : 5,847.27 = 1,300.50 : x
2. Step 2: Convert to fraction form
   3,897.78/5,847.27 = 1,300.50/x
3. Step 3: Cross multiply
   3,897.78x = 5,847.27 × 1,300.50
4. Step 4: Simplify right side
   3,897.78x = 7,604,374.64
5. Step 5: Solve for x
   x = 7,604,374.64/3,897.78
6. Step 6: Final answer
   x = 1,950.95