Finding the Fourth Proportional to 2,261,530.56, 3,120,780.24 and 1,242,936.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,530.56 : 3,120,780.24 = 1,242,936.12 : x
2. Step 2: Convert to fraction form
   2,261,530.56/3,120,780.24 = 1,242,936.12/x
3. Step 3: Cross multiply
   2,261,530.56x = 3,120,780.24 × 1,242,936.12
4. Step 4: Simplify right side
   2,261,530.56x = 3,878,930,482,878.27
5. Step 5: Solve for x
   x = 3,878,930,482,878.27/2,261,530.56
6. Step 6: Final answer
   x = 1,715,179.34