Finding the Fourth Proportional to 1,868,443.34, 2,578,451.76 and 1,009,003.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,443.34 : 2,578,451.76 = 1,009,003.59 : x
2. Step 2: Convert to fraction form
   1,868,443.34/2,578,451.76 = 1,009,003.59/x
3. Step 3: Cross multiply
   1,868,443.34x = 2,578,451.76 × 1,009,003.59
4. Step 4: Simplify right side
   1,868,443.34x = 2,601,667,082,481.82
5. Step 5: Solve for x
   x = 2,601,667,082,481.82/1,868,443.34
6. Step 6: Final answer
   x = 1,392,424.93