Finding the Fourth Proportional to 2,149,002.27, 2,965,192.99 and 1,231,519.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,002.27 : 2,965,192.99 = 1,231,519.20 : x
2. Step 2: Convert to fraction form
   2,149,002.27/2,965,192.99 = 1,231,519.20/x
3. Step 3: Cross multiply
   2,149,002.27x = 2,965,192.99 × 1,231,519.20
4. Step 4: Simplify right side
   2,149,002.27x = 3,651,692,111,549.28
5. Step 5: Solve for x
   x = 3,651,692,111,549.28/2,149,002.27
6. Step 6: Final answer
   x = 1,699,250.00