Finding the Fourth Proportional to 1,550.86, 2,312.45 and 1,486.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.86 : 2,312.45 = 1,486.06 : x
2. Step 2: Convert to fraction form
   1,550.86/2,312.45 = 1,486.06/x
3. Step 3: Cross multiply
   1,550.86x = 2,312.45 × 1,486.06
4. Step 4: Simplify right side
   1,550.86x = 3,436,439.45
5. Step 5: Solve for x
   x = 3,436,439.45/1,550.86
6. Step 6: Final answer
   x = 2,215.83