Finding the Fourth Proportional to 2,475.92, 3,715.31 and 917.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.92 : 3,715.31 = 917.00 : x
2. Step 2: Convert to fraction form
   2,475.92/3,715.31 = 917.00/x
3. Step 3: Cross multiply
   2,475.92x = 3,715.31 × 917.00
4. Step 4: Simplify right side
   2,475.92x = 3,406,946.43
5. Step 5: Solve for x
   x = 3,406,946.43/2,475.92
6. Step 6: Final answer
   x = 1,376.03