Finding the Fourth Proportional to 1,693.76, 2,337.42 and 1,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.76 : 2,337.42 = 1,105.34 : x
2. Step 2: Convert to fraction form
   1,693.76/2,337.42 = 1,105.34/x
3. Step 3: Cross multiply
   1,693.76x = 2,337.42 × 1,105.34
4. Step 4: Simplify right side
   1,693.76x = 2,583,643.82
5. Step 5: Solve for x
   x = 2,583,643.82/1,693.76
6. Step 6: Final answer
   x = 1,525.39