Finding the Fourth Proportional to 2,109,223.84, 2,910,984.64 and 1,191,491.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,223.84 : 2,910,984.64 = 1,191,491.68 : x
2. Step 2: Convert to fraction form
   2,109,223.84/2,910,984.64 = 1,191,491.68/x
3. Step 3: Cross multiply
   2,109,223.84x = 2,910,984.64 × 1,191,491.68
4. Step 4: Simplify right side
   2,109,223.84x = 3,468,413,979,167.80
5. Step 5: Solve for x
   x = 3,468,413,979,167.80/2,109,223.84
6. Step 6: Final answer
   x = 1,644,402.99