Finding the Fourth Proportional to 2,164,126.50, 2,986,632.81 and 1,210,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,126.50 : 2,986,632.81 = 1,210,270.50 : x
2. Step 2: Convert to fraction form
   2,164,126.50/2,986,632.81 = 1,210,270.50/x
3. Step 3: Cross multiply
   2,164,126.50x = 2,986,632.81 × 1,210,270.50
4. Step 4: Simplify right side
   2,164,126.50x = 3,614,633,584,275.11
5. Step 5: Solve for x
   x = 3,614,633,584,275.11/2,164,126.50
6. Step 6: Final answer
   x = 1,670,250.60