Finding the Fourth Proportional to 3,588,490.34, 5,378,662.12 and 3,155,369.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,588,490.34 : 5,378,662.12 = 3,155,369.57 : x
2. Step 2: Convert to fraction form
   3,588,490.34/5,378,662.12 = 3,155,369.57/x
3. Step 3: Cross multiply
   3,588,490.34x = 5,378,662.12 × 3,155,369.57
4. Step 4: Simplify right side
   3,588,490.34x = 16,971,666,780,759.69
5. Step 5: Solve for x
   x = 16,971,666,780,759.69/3,588,490.34
6. Step 6: Final answer
   x = 4,729,472.61