Finding the Fourth Proportional to 11,976,903.86, 17,965,499.79 and 3,340,478.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976,903.86 : 17,965,499.79 = 3,340,478.63 : x
2. Step 2: Convert to fraction form
   11,976,903.86/17,965,499.79 = 3,340,478.63/x
3. Step 3: Cross multiply
   11,976,903.86x = 17,965,499.79 × 3,340,478.63
4. Step 4: Simplify right side
   11,976,903.86x = 60,013,368,035,936.98
5. Step 5: Solve for x
   x = 60,013,368,035,936.98/11,976,903.86
6. Step 6: Final answer
   x = 5,010,758.10