Finding the Fourth Proportional to 1,830.89, 2,747.88 and 907.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.89 : 2,747.88 = 907.49 : x
2. Step 2: Convert to fraction form
   1,830.89/2,747.88 = 907.49/x
3. Step 3: Cross multiply
   1,830.89x = 2,747.88 × 907.49
4. Step 4: Simplify right side
   1,830.89x = 2,493,659.88
5. Step 5: Solve for x
   x = 2,493,659.88/1,830.89
6. Step 6: Final answer
   x = 1,362.00