Finding the Fourth Proportional to 2,356,960.18, 3,533,993.37 and 915,961.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356,960.18 : 3,533,993.37 = 915,961.05 : x
2. Step 2: Convert to fraction form
   2,356,960.18/3,533,993.37 = 915,961.05/x
3. Step 3: Cross multiply
   2,356,960.18x = 3,533,993.37 × 915,961.05
4. Step 4: Simplify right side
   2,356,960.18x = 3,237,000,260,208.27
5. Step 5: Solve for x
   x = 3,237,000,260,208.27/2,356,960.18
6. Step 6: Final answer
   x = 1,373,379.28