Finding the Fourth Proportional to 2,665,688.60, 3,674,824.16 and 1,900,413.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,688.60 : 3,674,824.16 = 1,900,413.56 : x
2. Step 2: Convert to fraction form
   2,665,688.60/3,674,824.16 = 1,900,413.56/x
3. Step 3: Cross multiply
   2,665,688.60x = 3,674,824.16 × 1,900,413.56
4. Step 4: Simplify right side
   2,665,688.60x = 6,983,685,636,403.42
5. Step 5: Solve for x
   x = 6,983,685,636,403.42/2,665,688.60
6. Step 6: Final answer
   x = 2,619,843.01