Finding the Fourth Proportional to 11,976,903.75, 17,965,499.60 and 3,340,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976,903.75 : 17,965,499.60 = 3,340,478.50 : x
2. Step 2: Convert to fraction form
   11,976,903.75/17,965,499.60 = 3,340,478.50/x
3. Step 3: Cross multiply
   11,976,903.75x = 17,965,499.60 × 3,340,478.50
4. Step 4: Simplify right side
   11,976,903.75x = 60,013,365,155,558.60
5. Step 5: Solve for x
   x = 60,013,365,155,558.60/11,976,903.75
6. Step 6: Final answer
   x = 5,010,757.91