Finding the Fourth Proportional to 2,399,554.56, 3,591,918.72 and 1,317,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,554.56 : 3,591,918.72 = 1,317,360 : x
2. Step 2: Convert to fraction form
   2,399,554.56/3,591,918.72 = 1,317,360/x
3. Step 3: Cross multiply
   2,399,554.56x = 3,591,918.72 × 1,317,360
4. Step 4: Simplify right side
   2,399,554.56x = 4,731,850,044,979.20
5. Step 5: Solve for x
   x = 4,731,850,044,979.20/2,399,554.56
6. Step 6: Final answer
   x = 1,971,970.18