Finding the Fourth Proportional to 2,231,013.48, 3,078,831.84 and 1,212,419.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,013.48 : 3,078,831.84 = 1,212,419.04 : x
2. Step 2: Convert to fraction form
   2,231,013.48/3,078,831.84 = 1,212,419.04/x
3. Step 3: Cross multiply
   2,231,013.48x = 3,078,831.84 × 1,212,419.04
4. Step 4: Simplify right side
   2,231,013.48x = 3,732,834,343,774.23
5. Step 5: Solve for x
   x = 3,732,834,343,774.23/2,231,013.48
6. Step 6: Final answer
   x = 1,673,156.34