Finding the Fourth Proportional to 2,076.89, 3,115.53 and 907.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.89 : 3,115.53 = 907.00 : x
2. Step 2: Convert to fraction form
   2,076.89/3,115.53 = 907.00/x
3. Step 3: Cross multiply
   2,076.89x = 3,115.53 × 907.00
4. Step 4: Simplify right side
   2,076.89x = 2,825,777.92
5. Step 5: Solve for x
   x = 2,825,777.92/2,076.89
6. Step 6: Final answer
   x = 1,360.58