Finding the Fourth Proportional to 12,071,339.88, 18,109,247.58 and 3,984,877.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071,339.88 : 18,109,247.58 = 3,984,877.80 : x
2. Step 2: Convert to fraction form
   12,071,339.88/18,109,247.58 = 3,984,877.80/x
3. Step 3: Cross multiply
   12,071,339.88x = 18,109,247.58 × 3,984,877.80
4. Step 4: Simplify right side
   12,071,339.88x = 72,163,138,656,245.72
5. Step 5: Solve for x
   x = 72,163,138,656,245.72/12,071,339.88
6. Step 6: Final answer
   x = 5,978,055.41