Finding the Fourth Proportional to 1,820,920.05, 2,553,020.55 and 1,820,920.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,920.05 : 2,553,020.55 = 1,820,920.05 : x
2. Step 2: Convert to fraction form
   1,820,920.05/2,553,020.55 = 1,820,920.05/x
3. Step 3: Cross multiply
   1,820,920.05x = 2,553,020.55 × 1,820,920.05
4. Step 4: Simplify right side
   1,820,920.05x = 4,648,846,307,557.03
5. Step 5: Solve for x
   x = 4,648,846,307,557.03/1,820,920.05
6. Step 6: Final answer
   x = 2,553,020.55