Finding the Fourth Proportional to 1,411.85, 2,118.15 and 534.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.85 : 2,118.15 = 534.37 : x
2. Step 2: Convert to fraction form
   1,411.85/2,118.15 = 534.37/x
3. Step 3: Cross multiply
   1,411.85x = 2,118.15 × 534.37
4. Step 4: Simplify right side
   1,411.85x = 1,131,875.82
5. Step 5: Solve for x
   x = 1,131,875.82/1,411.85
6. Step 6: Final answer
   x = 801.70