Finding the Fourth Proportional to 1,905,145.56, 2,629,134.78 and 1,045,785.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,145.56 : 2,629,134.78 = 1,045,785.72 : x
2. Step 2: Convert to fraction form
   1,905,145.56/2,629,134.78 = 1,045,785.72/x
3. Step 3: Cross multiply
   1,905,145.56x = 2,629,134.78 × 1,045,785.72
4. Step 4: Simplify right side
   1,905,145.56x = 2,749,511,608,879.34
5. Step 5: Solve for x
   x = 2,749,511,608,879.34/1,905,145.56
6. Step 6: Final answer
   x = 1,443,202.91