Finding the Fourth Proportional to 2,175,990.38, 3,002,807.04 and 1,209,095.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,990.38 : 3,002,807.04 = 1,209,095.84 : x
2. Step 2: Convert to fraction form
   2,175,990.38/3,002,807.04 = 1,209,095.84/x
3. Step 3: Cross multiply
   2,175,990.38x = 3,002,807.04 × 1,209,095.84
4. Step 4: Simplify right side
   2,175,990.38x = 3,630,681,500,386.71
5. Step 5: Solve for x
   x = 3,630,681,500,386.71/2,175,990.38
6. Step 6: Final answer
   x = 1,668,519.10