Finding the Fourth Proportional to 79,709.20, 109,994.48 and 45,715.94

Step by Step Solution

1. Step 1: Write the proportion equation
   79,709.20 : 109,994.48 = 45,715.94 : x
2. Step 2: Convert to fraction form
   79,709.20/109,994.48 = 45,715.94/x
3. Step 3: Cross multiply
   79,709.20x = 109,994.48 × 45,715.94
4. Step 4: Simplify right side
   79,709.20x = 5,028,501,048.01
5. Step 5: Solve for x
   x = 5,028,501,048.01/79,709.20
6. Step 6: Final answer
   x = 63,085.58