Finding the Fourth Proportional to 2,607.93, 3,911.12 and 1,047.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.93 : 3,911.12 = 1,047.43 : x
2. Step 2: Convert to fraction form
   2,607.93/3,911.12 = 1,047.43/x
3. Step 3: Cross multiply
   2,607.93x = 3,911.12 × 1,047.43
4. Step 4: Simplify right side
   2,607.93x = 4,096,628.00
5. Step 5: Solve for x
   x = 4,096,628.00/2,607.93
6. Step 6: Final answer
   x = 1,570.84