Finding the Fourth Proportional to 1,819.86, 2,509.56 and 1,487.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.86 : 2,509.56 = 1,487.22 : x
2. Step 2: Convert to fraction form
   1,819.86/2,509.56 = 1,487.22/x
3. Step 3: Cross multiply
   1,819.86x = 2,509.56 × 1,487.22
4. Step 4: Simplify right side
   1,819.86x = 3,732,267.82
5. Step 5: Solve for x
   x = 3,732,267.82/1,819.86
6. Step 6: Final answer
   x = 2,050.85