Finding the Fourth Proportional to 1,550,954.79, 2,139,443.69 and 906,238.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,954.79 : 2,139,443.69 = 906,238.13 : x
2. Step 2: Convert to fraction form
   1,550,954.79/2,139,443.69 = 906,238.13/x
3. Step 3: Cross multiply
   1,550,954.79x = 2,139,443.69 × 906,238.13
4. Step 4: Simplify right side
   1,550,954.79x = 1,938,845,433,637.49
5. Step 5: Solve for x
   x = 1,938,845,433,637.49/1,550,954.79
6. Step 6: Final answer
   x = 1,250,097.97