Finding the Fourth Proportional to 2,591,186.69, 3,575,850 and 1,429,632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,186.69 : 3,575,850 = 1,429,632.88 : x
2. Step 2: Convert to fraction form
   2,591,186.69/3,575,850 = 1,429,632.88/x
3. Step 3: Cross multiply
   2,591,186.69x = 3,575,850 × 1,429,632.88
4. Step 4: Simplify right side
   2,591,186.69x = 5,112,152,729,478.19
5. Step 5: Solve for x
   x = 5,112,152,729,478.19/2,591,186.69
6. Step 6: Final answer
   x = 1,972,900.19