Finding the Fourth Proportional to 2,662,978.29, 3,994,635.57 and 1,125,687.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,978.29 : 3,994,635.57 = 1,125,687.03 : x
2. Step 2: Convert to fraction form
   2,662,978.29/3,994,635.57 = 1,125,687.03/x
3. Step 3: Cross multiply
   2,662,978.29x = 3,994,635.57 × 1,125,687.03
4. Step 4: Simplify right side
   2,662,978.29x = 4,496,709,450,725.66
5. Step 5: Solve for x
   x = 4,496,709,450,725.66/2,662,978.29
6. Step 6: Final answer
   x = 1,688,601.62