Finding the Fourth Proportional to 2,164,484.25, 2,986,978.55 and 1,246,378.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,484.25 : 2,986,978.55 = 1,246,378.41 : x
2. Step 2: Convert to fraction form
   2,164,484.25/2,986,978.55 = 1,246,378.41/x
3. Step 3: Cross multiply
   2,164,484.25x = 2,986,978.55 × 1,246,378.41
4. Step 4: Simplify right side
   2,164,484.25x = 3,722,905,569,621.21
5. Step 5: Solve for x
   x = 3,722,905,569,621.21/2,164,484.25
6. Step 6: Final answer
   x = 1,719,996.61