Finding the Fourth Proportional to 79,299.72, 109,438.61 and 52,395.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,299.72 : 109,438.61 = 52,395.05 : x
2. Step 2: Convert to fraction form
   79,299.72/109,438.61 = 52,395.05/x
3. Step 3: Cross multiply
   79,299.72x = 109,438.61 × 52,395.05
4. Step 4: Simplify right side
   79,299.72x = 5,734,041,454.50
5. Step 5: Solve for x
   x = 5,734,041,454.50/79,299.72
6. Step 6: Final answer
   x = 72,308.47