Finding the Fourth Proportional to 2,309,128.52, 3,186,503.22 and 1,276,570.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,128.52 : 3,186,503.22 = 1,276,570.59 : x
2. Step 2: Convert to fraction form
   2,309,128.52/3,186,503.22 = 1,276,570.59/x
3. Step 3: Cross multiply
   2,309,128.52x = 3,186,503.22 × 1,276,570.59
4. Step 4: Simplify right side
   2,309,128.52x = 4,067,796,295,592.30
5. Step 5: Solve for x
   x = 4,067,796,295,592.30/2,309,128.52
6. Step 6: Final answer
   x = 1,761,615.37