Finding the Fourth Proportional to 3,556,389.60, 4,908,766.32 and 2,197,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,389.60 : 4,908,766.32 = 2,197,494.72 : x
2. Step 2: Convert to fraction form
   3,556,389.60/4,908,766.32 = 2,197,494.72/x
3. Step 3: Cross multiply
   3,556,389.60x = 4,908,766.32 × 2,197,494.72
4. Step 4: Simplify right side
   3,556,389.60x = 10,786,988,069,913.83
5. Step 5: Solve for x
   x = 10,786,988,069,913.83/3,556,389.60
6. Step 6: Final answer
   x = 3,033,128.90