Finding the Fourth Proportional to 2,309,399.40, 3,186,842.58 and 1,276,847.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,399.40 : 3,186,842.58 = 1,276,847.52 : x
2. Step 2: Convert to fraction form
   2,309,399.40/3,186,842.58 = 1,276,847.52/x
3. Step 3: Cross multiply
   2,309,399.40x = 3,186,842.58 × 1,276,847.52
4. Step 4: Simplify right side
   2,309,399.40x = 4,069,112,044,903.40
5. Step 5: Solve for x
   x = 4,069,112,044,903.40/2,309,399.40
6. Step 6: Final answer
   x = 1,761,978.48