Finding the Fourth Proportional to 2,146,345.18, 2,961,310.42 and 1,286,591.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,345.18 : 2,961,310.42 = 1,286,591.74 : x
2. Step 2: Convert to fraction form
   2,146,345.18/2,961,310.42 = 1,286,591.74/x
3. Step 3: Cross multiply
   2,146,345.18x = 2,961,310.42 × 1,286,591.74
4. Step 4: Simplify right side
   2,146,345.18x = 3,809,997,525,947.93
5. Step 5: Solve for x
   x = 3,809,997,525,947.93/2,146,345.18
6. Step 6: Final answer
   x = 1,775,109.41