Finding the Fourth Proportional to 10,991,571.60, 16,487,399.82 and 4,597,338.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,991,571.60 : 16,487,399.82 = 4,597,338.72 : x
2. Step 2: Convert to fraction form
   10,991,571.60/16,487,399.82 = 4,597,338.72/x
3. Step 3: Cross multiply
   10,991,571.60x = 16,487,399.82 × 4,597,338.72
4. Step 4: Simplify right side
   10,991,571.60x = 75,798,161,584,607.03
5. Step 5: Solve for x
   x = 75,798,161,584,607.03/10,991,571.60
6. Step 6: Final answer
   x = 6,896,025.82