Finding the Fourth Proportional to 1,590.98, 2,195.34 and 882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590.98 : 2,195.34 = 882.72 : x
2. Step 2: Convert to fraction form
   1,590.98/2,195.34 = 882.72/x
3. Step 3: Cross multiply
   1,590.98x = 2,195.34 × 882.72
4. Step 4: Simplify right side
   1,590.98x = 1,937,870.52
5. Step 5: Solve for x
   x = 1,937,870.52/1,590.98
6. Step 6: Final answer
   x = 1,218.04