Finding the Fourth Proportional to 1,059.95, 1,462.43 and 686.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.95 : 1,462.43 = 686.94 : x
2. Step 2: Convert to fraction form
   1,059.95/1,462.43 = 686.94/x
3. Step 3: Cross multiply
   1,059.95x = 1,462.43 × 686.94
4. Step 4: Simplify right side
   1,059.95x = 1,004,598.23
5. Step 5: Solve for x
   x = 1,004,598.23/1,059.95
6. Step 6: Final answer
   x = 947.78