Finding the Fourth Proportional to 2,215,867.08, 3,058,131.67 and 1,298,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,867.08 : 3,058,131.67 = 1,298,866.72 : x
2. Step 2: Convert to fraction form
   2,215,867.08/3,058,131.67 = 1,298,866.72/x
3. Step 3: Cross multiply
   2,215,867.08x = 3,058,131.67 × 1,298,866.72
4. Step 4: Simplify right side
   2,215,867.08x = 3,972,105,451,541.02
5. Step 5: Solve for x
   x = 3,972,105,451,541.02/2,215,867.08
6. Step 6: Final answer
   x = 1,792,573.88