Finding the Fourth Proportional to 1,499,298.39, 2,237,171.67 and 1,407,790.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,298.39 : 2,237,171.67 = 1,407,790.62 : x
2. Step 2: Convert to fraction form
   1,499,298.39/2,237,171.67 = 1,407,790.62/x
3. Step 3: Cross multiply
   1,499,298.39x = 2,237,171.67 × 1,407,790.62
4. Step 4: Simplify right side
   1,499,298.39x = 3,149,469,292,355.74
5. Step 5: Solve for x
   x = 3,149,469,292,355.74/1,499,298.39
6. Step 6: Final answer
   x = 2,100,628.74