Finding the Fourth Proportional to 1,550,540.80, 2,139,792.69 and 938,805.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,540.80 : 2,139,792.69 = 938,805.58 : x
2. Step 2: Convert to fraction form
   1,550,540.80/2,139,792.69 = 938,805.58/x
3. Step 3: Cross multiply
   1,550,540.80x = 2,139,792.69 × 938,805.58
4. Step 4: Simplify right side
   1,550,540.80x = 2,008,849,317,415.21
5. Step 5: Solve for x
   x = 2,008,849,317,415.21/1,550,540.80
6. Step 6: Final answer
   x = 1,295,579.79