Finding the Fourth Proportional to 1,869,105.78, 2,579,368.28 and 1,009,666.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,105.78 : 2,579,368.28 = 1,009,666.04 : x
2. Step 2: Convert to fraction form
   1,869,105.78/2,579,368.28 = 1,009,666.04/x
3. Step 3: Cross multiply
   1,869,105.78x = 2,579,368.28 × 1,009,666.04
4. Step 4: Simplify right side
   1,869,105.78x = 2,604,300,561,524.51
5. Step 5: Solve for x
   x = 2,604,300,561,524.51/1,869,105.78
6. Step 6: Final answer
   x = 1,393,340.38