Finding the Fourth Proportional to 2,109,329.21, 2,910,933.98 and 1,191,597.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,329.21 : 2,910,933.98 = 1,191,597.08 : x
2. Step 2: Convert to fraction form
   2,109,329.21/2,910,933.98 = 1,191,597.08/x
3. Step 3: Cross multiply
   2,109,329.21x = 2,910,933.98 × 1,191,597.08
4. Step 4: Simplify right side
   2,109,329.21x = 3,468,660,410,128.12
5. Step 5: Solve for x
   x = 3,468,660,410,128.12/2,109,329.21
6. Step 6: Final answer
   x = 1,644,437.67