Finding the Fourth Proportional to 2,195,978.72, 3,030,465.72 and 1,229,198.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,195,978.72 : 3,030,465.72 = 1,229,198.48 : x
2. Step 2: Convert to fraction form
   2,195,978.72/3,030,465.72 = 1,229,198.48/x
3. Step 3: Cross multiply
   2,195,978.72x = 3,030,465.72 × 1,229,198.48
4. Step 4: Simplify right side
   2,195,978.72x = 3,725,043,856,716.11
5. Step 5: Solve for x
   x = 3,725,043,856,716.11/2,195,978.72
6. Step 6: Final answer
   x = 1,696,302.35