Finding the Fourth Proportional to 3,639.98, 5,460.98 and 1,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639.98 : 5,460.98 = 1,300.52 : x
2. Step 2: Convert to fraction form
   3,639.98/5,460.98 = 1,300.52/x
3. Step 3: Cross multiply
   3,639.98x = 5,460.98 × 1,300.52
4. Step 4: Simplify right side
   3,639.98x = 7,102,079.90
5. Step 5: Solve for x
   x = 7,102,079.90/3,639.98
6. Step 6: Final answer
   x = 1,951.13