Finding the Fourth Proportional to 1,042.95, 1,563.52 and 522.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.95 : 1,563.52 = 522.22 : x
2. Step 2: Convert to fraction form
   1,042.95/1,563.52 = 522.22/x
3. Step 3: Cross multiply
   1,042.95x = 1,563.52 × 522.22
4. Step 4: Simplify right side
   1,042.95x = 816,502.31
5. Step 5: Solve for x
   x = 816,502.31/1,042.95
6. Step 6: Final answer
   x = 782.88