Finding the Fourth Proportional to 3,849,218.71, 5,775,110.61 and 1,290,686.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849,218.71 : 5,775,110.61 = 1,290,686.59 : x
2. Step 2: Convert to fraction form
   3,849,218.71/5,775,110.61 = 1,290,686.59/x
3. Step 3: Cross multiply
   3,849,218.71x = 5,775,110.61 × 1,290,686.59
4. Step 4: Simplify right side
   3,849,218.71x = 7,453,857,820,093.72
5. Step 5: Solve for x
   x = 7,453,857,820,093.72/3,849,218.71
6. Step 6: Final answer
   x = 1,936,459.94