Finding the Fourth Proportional to 2,071,981.16, 2,859,363.52 and 1,189,074.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,981.16 : 2,859,363.52 = 1,189,074.05 : x
2. Step 2: Convert to fraction form
   2,071,981.16/2,859,363.52 = 1,189,074.05/x
3. Step 3: Cross multiply
   2,071,981.16x = 2,859,363.52 × 1,189,074.05
4. Step 4: Simplify right side
   2,071,981.16x = 3,399,994,954,601.77
5. Step 5: Solve for x
   x = 3,399,994,954,601.77/2,071,981.16
6. Step 6: Final answer
   x = 1,640,939.13