Finding the Fourth Proportional to 1,343,488.32, 1,854,005.76 and 739,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343,488.32 : 1,854,005.76 = 739,872 : x
2. Step 2: Convert to fraction form
   1,343,488.32/1,854,005.76 = 739,872/x
3. Step 3: Cross multiply
   1,343,488.32x = 1,854,005.76 × 739,872
4. Step 4: Simplify right side
   1,343,488.32x = 1,371,726,949,662.72
5. Step 5: Solve for x
   x = 1,371,726,949,662.72/1,343,488.32
6. Step 6: Final answer
   x = 1,021,018.89