Finding the Fourth Proportional to 1,685.86, 2,326.52 and 929.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685.86 : 2,326.52 = 929.67 : x
2. Step 2: Convert to fraction form
   1,685.86/2,326.52 = 929.67/x
3. Step 3: Cross multiply
   1,685.86x = 2,326.52 × 929.67
4. Step 4: Simplify right side
   1,685.86x = 2,162,895.85
5. Step 5: Solve for x
   x = 2,162,895.85/1,685.86
6. Step 6: Final answer
   x = 1,282.96