Finding the Fourth Proportional to 1,339.00, 1,848.34 and 907.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.00 : 1,848.34 = 907.92 : x
2. Step 2: Convert to fraction form
   1,339.00/1,848.34 = 907.92/x
3. Step 3: Cross multiply
   1,339.00x = 1,848.34 × 907.92
4. Step 4: Simplify right side
   1,339.00x = 1,678,142.50
5. Step 5: Solve for x
   x = 1,678,142.50/1,339.00
6. Step 6: Final answer
   x = 1,253.29