Finding the Fourth Proportional to 79,024.86, 109,043.55 and 47,187

Step by Step Solution

1. Step 1: Write the proportion equation
   79,024.86 : 109,043.55 = 47,187 : x
2. Step 2: Convert to fraction form
   79,024.86/109,043.55 = 47,187/x
3. Step 3: Cross multiply
   79,024.86x = 109,043.55 × 47,187
4. Step 4: Simplify right side
   79,024.86x = 5,145,437,993.85
5. Step 5: Solve for x
   x = 5,145,437,993.85/79,024.86
6. Step 6: Final answer
   x = 65,111.64