Finding the Fourth Proportional to 892,976.22, 1,339,467.99 and 219,061.89

Step by Step Solution

1. Step 1: Write the proportion equation
   892,976.22 : 1,339,467.99 = 219,061.89 : x
2. Step 2: Convert to fraction form
   892,976.22/1,339,467.99 = 219,061.89/x
3. Step 3: Cross multiply
   892,976.22x = 1,339,467.99 × 219,061.89
4. Step 4: Simplify right side
   892,976.22x = 293,426,389,483.90
5. Step 5: Solve for x
   x = 293,426,389,483.90/892,976.22
6. Step 6: Final answer
   x = 328,593.73