Finding the Fourth Proportional to 1,876.72, 2,815.06 and 1,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.72 : 2,815.06 = 1,830.22 : x
2. Step 2: Convert to fraction form
   1,876.72/2,815.06 = 1,830.22/x
3. Step 3: Cross multiply
   1,876.72x = 2,815.06 × 1,830.22
4. Step 4: Simplify right side
   1,876.72x = 5,152,179.11
5. Step 5: Solve for x
   x = 5,152,179.11/1,876.72
6. Step 6: Final answer
   x = 2,745.31