Finding the Fourth Proportional to 2,215,253.52, 3,057,139.80 and 1,248,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,253.52 : 3,057,139.80 = 1,248,424.56 : x
2. Step 2: Convert to fraction form
   2,215,253.52/3,057,139.80 = 1,248,424.56/x
3. Step 3: Cross multiply
   2,215,253.52x = 3,057,139.80 × 1,248,424.56
4. Step 4: Simplify right side
   2,215,253.52x = 3,816,608,409,673.49
5. Step 5: Solve for x
   x = 3,816,608,409,673.49/2,215,253.52
6. Step 6: Final answer
   x = 1,722,876.58