Finding the Fourth Proportional to 2,642,973, 3,646,993.32 and 1,555,005.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,973 : 3,646,993.32 = 1,555,005.30 : x
2. Step 2: Convert to fraction form
   2,642,973/3,646,993.32 = 1,555,005.30/x
3. Step 3: Cross multiply
   2,642,973x = 3,646,993.32 × 1,555,005.30
4. Step 4: Simplify right side
   2,642,973x = 5,671,093,941,664.60
5. Step 5: Solve for x
   x = 5,671,093,941,664.60/2,642,973
6. Step 6: Final answer
   x = 2,145,725.27