Finding the Fourth Proportional to 2,180,900.69, 3,009,572.37 and 1,213,998.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,900.69 : 3,009,572.37 = 1,213,998.83 : x
2. Step 2: Convert to fraction form
   2,180,900.69/3,009,572.37 = 1,213,998.83/x
3. Step 3: Cross multiply
   2,180,900.69x = 3,009,572.37 × 1,213,998.83
4. Step 4: Simplify right side
   2,180,900.69x = 3,653,617,335,980.33
5. Step 5: Solve for x
   x = 3,653,617,335,980.33/2,180,900.69
6. Step 6: Final answer
   x = 1,675,279.10