Finding the Fourth Proportional to 1,666,072.10, 2,499,108.15 and 1,036,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,072.10 : 2,499,108.15 = 1,036,216.10 : x
2. Step 2: Convert to fraction form
   1,666,072.10/2,499,108.15 = 1,036,216.10/x
3. Step 3: Cross multiply
   1,666,072.10x = 2,499,108.15 × 1,036,216.10
4. Step 4: Simplify right side
   1,666,072.10x = 2,589,616,100,671.22
5. Step 5: Solve for x
   x = 2,589,616,100,671.22/1,666,072.10
6. Step 6: Final answer
   x = 1,554,324.15