Finding the Fourth Proportional to 1,693.04, 2,335.32 and 1,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.04 : 2,335.32 = 1,636.72 : x
2. Step 2: Convert to fraction form
   1,693.04/2,335.32 = 1,636.72/x
3. Step 3: Cross multiply
   1,693.04x = 2,335.32 × 1,636.72
4. Step 4: Simplify right side
   1,693.04x = 3,822,264.95
5. Step 5: Solve for x
   x = 3,822,264.95/1,693.04
6. Step 6: Final answer
   x = 2,257.63