Finding the Fourth Proportional to 11,860,680.72, 17,793,447.72 and 4,078,584.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860,680.72 : 17,793,447.72 = 4,078,584.36 : x
2. Step 2: Convert to fraction form
   11,860,680.72/17,793,447.72 = 4,078,584.36/x
3. Step 3: Cross multiply
   11,860,680.72x = 17,793,447.72 × 4,078,584.36
4. Step 4: Simplify right side
   11,860,680.72x = 72,572,077,581,269.66
5. Step 5: Solve for x
   x = 72,572,077,581,269.66/11,860,680.72
6. Step 6: Final answer
   x = 6,118,711.00