Finding the Fourth Proportional to 79,471.34, 109,621.80 and 47,184.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,471.34 : 109,621.80 = 47,184.05 : x
2. Step 2: Convert to fraction form
   79,471.34/109,621.80 = 47,184.05/x
3. Step 3: Cross multiply
   79,471.34x = 109,621.80 × 47,184.05
4. Step 4: Simplify right side
   79,471.34x = 5,172,399,944.18
5. Step 5: Solve for x
   x = 5,172,399,944.18/79,471.34
6. Step 6: Final answer
   x = 65,085.10