Finding the Fourth Proportional to 2,167,377.62, 2,990,981.10 and 1,200,570.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,377.62 : 2,990,981.10 = 1,200,570.53 : x
2. Step 2: Convert to fraction form
   2,167,377.62/2,990,981.10 = 1,200,570.53/x
3. Step 3: Cross multiply
   2,167,377.62x = 2,990,981.10 × 1,200,570.53
4. Step 4: Simplify right side
   2,167,377.62x = 3,590,883,753,994.22
5. Step 5: Solve for x
   x = 3,590,883,753,994.22/2,167,377.62
6. Step 6: Final answer
   x = 1,656,787.32