Finding the Fourth Proportional to 5,458,959.72, 8,171,643.42 and 3,561,615.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,458,959.72 : 8,171,643.42 = 3,561,615.72 : x
2. Step 2: Convert to fraction form
   5,458,959.72/8,171,643.42 = 3,561,615.72/x
3. Step 3: Cross multiply
   5,458,959.72x = 8,171,643.42 × 3,561,615.72
4. Step 4: Simplify right side
   5,458,959.72x = 29,104,253,662,906.56
5. Step 5: Solve for x
   x = 29,104,253,662,906.56/5,458,959.72
6. Step 6: Final answer
   x = 5,331,465.18