Finding the Fourth Proportional to 2,230,721.52, 3,078,414.15 and 1,212,126.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230,721.52 : 3,078,414.15 = 1,212,126.27 : x
2. Step 2: Convert to fraction form
   2,230,721.52/3,078,414.15 = 1,212,126.27/x
3. Step 3: Cross multiply
   2,230,721.52x = 3,078,414.15 × 1,212,126.27
4. Step 4: Simplify right side
   2,230,721.52x = 3,731,426,639,702.02
5. Step 5: Solve for x
   x = 3,731,426,639,702.02/2,230,721.52
6. Step 6: Final answer
   x = 1,672,744.27