Finding the Fourth Proportional to 2,231,415.54, 3,079,373.76 and 1,212,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,415.54 : 3,079,373.76 = 1,212,822.72 : x
2. Step 2: Convert to fraction form
   2,231,415.54/3,079,373.76 = 1,212,822.72/x
3. Step 3: Cross multiply
   2,231,415.54x = 3,079,373.76 × 1,212,822.72
4. Step 4: Simplify right side
   2,231,415.54x = 3,734,734,459,499.83
5. Step 5: Solve for x
   x = 3,734,734,459,499.83/2,231,415.54
6. Step 6: Final answer
   x = 1,673,706.40