Finding the Fourth Proportional to 1,820,142.78, 2,511,794.05 and 1,004,345.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,142.78 : 2,511,794.05 = 1,004,345.82 : x
2. Step 2: Convert to fraction form
   1,820,142.78/2,511,794.05 = 1,004,345.82/x
3. Step 3: Cross multiply
   1,820,142.78x = 2,511,794.05 × 1,004,345.82
4. Step 4: Simplify right side
   1,820,142.78x = 2,522,709,852,307.51
5. Step 5: Solve for x
   x = 2,522,709,852,307.51/1,820,142.78
6. Step 6: Final answer
   x = 1,385,995.59