Finding the Fourth Proportional to 11,992,466.37, 17,989,959.71 and 3,906,071.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,992,466.37 : 17,989,959.71 = 3,906,071.67 : x
2. Step 2: Convert to fraction form
   11,992,466.37/17,989,959.71 = 3,906,071.67/x
3. Step 3: Cross multiply
   11,992,466.37x = 17,989,959.71 × 3,906,071.67
4. Step 4: Simplify right side
   11,992,466.37x = 70,270,071,967,672.41
5. Step 5: Solve for x
   x = 70,270,071,967,672.41/11,992,466.37
6. Step 6: Final answer
   x = 5,859,517.95