Finding the Fourth Proportional to 1,643.94, 2,264.06 and 1,520.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643.94 : 2,264.06 = 1,520.82 : x
2. Step 2: Convert to fraction form
   1,643.94/2,264.06 = 1,520.82/x
3. Step 3: Cross multiply
   1,643.94x = 2,264.06 × 1,520.82
4. Step 4: Simplify right side
   1,643.94x = 3,443,227.73
5. Step 5: Solve for x
   x = 3,443,227.73/1,643.94
6. Step 6: Final answer
   x = 2,094.50