Finding the Fourth Proportional to 1,550,345.56, 2,138,996.02 and 905,300.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,345.56 : 2,138,996.02 = 905,300.44 : x
2. Step 2: Convert to fraction form
   1,550,345.56/2,138,996.02 = 905,300.44/x
3. Step 3: Cross multiply
   1,550,345.56x = 2,138,996.02 × 905,300.44
4. Step 4: Simplify right side
   1,550,345.56x = 1,936,434,038,064.25
5. Step 5: Solve for x
   x = 1,936,434,038,064.25/1,550,345.56
6. Step 6: Final answer
   x = 1,249,033.82