Finding the Fourth Proportional to 1,308,697.92, 1,804,883.52 and 901,449.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,697.92 : 1,804,883.52 = 901,449.36 : x
2. Step 2: Convert to fraction form
   1,308,697.92/1,804,883.52 = 901,449.36/x
3. Step 3: Cross multiply
   1,308,697.92x = 1,804,883.52 × 901,449.36
4. Step 4: Simplify right side
   1,308,697.92x = 1,627,011,093,978.55
5. Step 5: Solve for x
   x = 1,627,011,093,978.55/1,308,697.92
6. Step 6: Final answer
   x = 1,243,228.91