Finding the Fourth Proportional to 2,785,426.72, 3,843,599.52 and 1,639,438.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785,426.72 : 3,843,599.52 = 1,639,438.72 : x
2. Step 2: Convert to fraction form
   2,785,426.72/3,843,599.52 = 1,639,438.72/x
3. Step 3: Cross multiply
   2,785,426.72x = 3,843,599.52 × 1,639,438.72
4. Step 4: Simplify right side
   2,785,426.72x = 6,301,345,877,261.41
5. Step 5: Solve for x
   x = 6,301,345,877,261.41/2,785,426.72
6. Step 6: Final answer
   x = 2,262,255.13