Finding the Fourth Proportional to 2,628,804.31, 3,627,748.42 and 1,421,580.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,804.31 : 3,627,748.42 = 1,421,580.31 : x
2. Step 2: Convert to fraction form
   2,628,804.31/3,627,748.42 = 1,421,580.31/x
3. Step 3: Cross multiply
   2,628,804.31x = 3,627,748.42 × 1,421,580.31
4. Step 4: Simplify right side
   2,628,804.31x = 5,157,135,723,505.61
5. Step 5: Solve for x
   x = 5,157,135,723,505.61/2,628,804.31
6. Step 6: Final answer
   x = 1,961,780.00