Finding the Fourth Proportional to 1,113.34, 1,536.82 and 693.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.34 : 1,536.82 = 693.76 : x
2. Step 2: Convert to fraction form
   1,113.34/1,536.82 = 693.76/x
3. Step 3: Cross multiply
   1,113.34x = 1,536.82 × 693.76
4. Step 4: Simplify right side
   1,113.34x = 1,066,184.24
5. Step 5: Solve for x
   x = 1,066,184.24/1,113.34
6. Step 6: Final answer
   x = 957.64