Finding the Fourth Proportional to 2,601.72, 3,897.18 and 1,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.72 : 3,897.18 = 1,300.50 : x
2. Step 2: Convert to fraction form
   2,601.72/3,897.18 = 1,300.50/x
3. Step 3: Cross multiply
   2,601.72x = 3,897.18 × 1,300.50
4. Step 4: Simplify right side
   2,601.72x = 5,068,282.59
5. Step 5: Solve for x
   x = 5,068,282.59/2,601.72
6. Step 6: Final answer
   x = 1,948.05