Finding the Fourth Proportional to 9,978,736.86, 14,967,974.07 and 2,405,641.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,736.86 : 14,967,974.07 = 2,405,641.86 : x
2. Step 2: Convert to fraction form
   9,978,736.86/14,967,974.07 = 2,405,641.86/x
3. Step 3: Cross multiply
   9,978,736.86x = 14,967,974.07 × 2,405,641.86
4. Step 4: Simplify right side
   9,978,736.86x = 36,007,584,982,186.57
5. Step 5: Solve for x
   x = 36,007,584,982,186.57/9,978,736.86
6. Step 6: Final answer
   x = 3,608,431.16