Finding the Fourth Proportional to 1,433.86, 2,152.17 and 693.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.86 : 2,152.17 = 693.99 : x
2. Step 2: Convert to fraction form
   1,433.86/2,152.17 = 693.99/x
3. Step 3: Cross multiply
   1,433.86x = 2,152.17 × 693.99
4. Step 4: Simplify right side
   1,433.86x = 1,493,584.46
5. Step 5: Solve for x
   x = 1,493,584.46/1,433.86
6. Step 6: Final answer
   x = 1,041.65