Finding the Fourth Proportional to 1,550,769.71, 2,139,747.98 and 906,065.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,769.71 : 2,139,747.98 = 906,065.33 : x
2. Step 2: Convert to fraction form
   1,550,769.71/2,139,747.98 = 906,065.33/x
3. Step 3: Cross multiply
   1,550,769.71x = 2,139,747.98 × 906,065.33
4. Step 4: Simplify right side
   1,550,769.71x = 1,938,751,444,386.47
5. Step 5: Solve for x
   x = 1,938,751,444,386.47/1,550,769.71
6. Step 6: Final answer
   x = 1,250,186.56