Finding the Fourth Proportional to 3,612.65, 5,419.34 and 1,303.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.65 : 5,419.34 = 1,303.61 : x
2. Step 2: Convert to fraction form
   3,612.65/5,419.34 = 1,303.61/x
3. Step 3: Cross multiply
   3,612.65x = 5,419.34 × 1,303.61
4. Step 4: Simplify right side
   3,612.65x = 7,064,705.82
5. Step 5: Solve for x
   x = 7,064,705.82/3,612.65
6. Step 6: Final answer
   x = 1,955.55