Finding the Fourth Proportional to 1,665,215.47, 2,298,053.06 and 1,020,511.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,215.47 : 2,298,053.06 = 1,020,511.16 : x
2. Step 2: Convert to fraction form
   1,665,215.47/2,298,053.06 = 1,020,511.16/x
3. Step 3: Cross multiply
   1,665,215.47x = 2,298,053.06 × 1,020,511.16
4. Step 4: Simplify right side
   1,665,215.47x = 2,345,188,794,002.15
5. Step 5: Solve for x
   x = 2,345,188,794,002.15/1,665,215.47
6. Step 6: Final answer
   x = 1,408,339.54