Finding the Fourth Proportional to 1,693.87, 2,337.58 and 947.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.87 : 2,337.58 = 947.82 : x
2. Step 2: Convert to fraction form
   1,693.87/2,337.58 = 947.82/x
3. Step 3: Cross multiply
   1,693.87x = 2,337.58 × 947.82
4. Step 4: Simplify right side
   1,693.87x = 2,215,613.29
5. Step 5: Solve for x
   x = 2,215,613.29/1,693.87
6. Step 6: Final answer
   x = 1,308.02