Finding the Fourth Proportional to 3,867,429.59, 5,772,756 and 3,582,419.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,429.59 : 5,772,756 = 3,582,419.75 : x
2. Step 2: Convert to fraction form
   3,867,429.59/5,772,756 = 3,582,419.75/x
3. Step 3: Cross multiply
   3,867,429.59x = 5,772,756 × 3,582,419.75
4. Step 4: Simplify right side
   3,867,429.59x = 20,680,435,106,331
5. Step 5: Solve for x
   x = 20,680,435,106,331/3,867,429.59
6. Step 6: Final answer
   x = 5,347,333.32