Finding the Fourth Proportional to 2,215,436.40, 3,320,781.48 and 1,582,429.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,436.40 : 3,320,781.48 = 1,582,429.68 : x
2. Step 2: Convert to fraction form
   2,215,436.40/3,320,781.48 = 1,582,429.68/x
3. Step 3: Cross multiply
   2,215,436.40x = 3,320,781.48 × 1,582,429.68
4. Step 4: Simplify right side
   2,215,436.40x = 5,254,903,174,746.33
5. Step 5: Solve for x
   x = 5,254,903,174,746.33/2,215,436.40
6. Step 6: Final answer
   x = 2,371,949.46