Finding the Fourth Proportional to 2,667,457.71, 3,997,964.25 and 1,299,180.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,457.71 : 3,997,964.25 = 1,299,180.60 : x
2. Step 2: Convert to fraction form
   2,667,457.71/3,997,964.25 = 1,299,180.60/x
3. Step 3: Cross multiply
   2,667,457.71x = 3,997,964.25 × 1,299,180.60
4. Step 4: Simplify right side
   2,667,457.71x = 5,194,077,593,093.55
5. Step 5: Solve for x
   x = 5,194,077,593,093.55/2,667,457.71
6. Step 6: Final answer
   x = 1,947,201.48