Finding the Fourth Proportional to 2,175,992.88, 3,002,810.49 and 1,209,098.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,992.88 : 3,002,810.49 = 1,209,098.31 : x
2. Step 2: Convert to fraction form
   2,175,992.88/3,002,810.49 = 1,209,098.31/x
3. Step 3: Cross multiply
   2,175,992.88x = 3,002,810.49 × 1,209,098.31
4. Step 4: Simplify right side
   2,175,992.88x = 3,630,693,088,709.27
5. Step 5: Solve for x
   x = 3,630,693,088,709.27/2,175,992.88
6. Step 6: Final answer
   x = 1,668,522.50