Finding the Fourth Proportional to 2,180,321.50, 3,009,505.05 and 1,262,776.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,321.50 : 3,009,505.05 = 1,262,776.15 : x
2. Step 2: Convert to fraction form
   2,180,321.50/3,009,505.05 = 1,262,776.15/x
3. Step 3: Cross multiply
   2,180,321.50x = 3,009,505.05 × 1,262,776.15
4. Step 4: Simplify right side
   2,180,321.50x = 3,800,331,200,444.56
5. Step 5: Solve for x
   x = 3,800,331,200,444.56/2,180,321.50
6. Step 6: Final answer
   x = 1,743,014.14