Finding the Fourth Proportional to 2,909,116.29, 4,360,680.33 and 1,290,647.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909,116.29 : 4,360,680.33 = 1,290,647.33 : x
2. Step 2: Convert to fraction form
   2,909,116.29/4,360,680.33 = 1,290,647.33/x
3. Step 3: Cross multiply
   2,909,116.29x = 4,360,680.33 × 1,290,647.33
4. Step 4: Simplify right side
   2,909,116.29x = 5,628,100,433,175.61
5. Step 5: Solve for x
   x = 5,628,100,433,175.61/2,909,116.29
6. Step 6: Final answer
   x = 1,934,642.64