Finding the Fourth Proportional to 79,707.20, 109,991.72 and 45,713.94

Step by Step Solution

1. Step 1: Write the proportion equation
   79,707.20 : 109,991.72 = 45,713.94 : x
2. Step 2: Convert to fraction form
   79,707.20/109,991.72 = 45,713.94/x
3. Step 3: Cross multiply
   79,707.20x = 109,991.72 × 45,713.94
4. Step 4: Simplify right side
   79,707.20x = 5,028,154,888.58
5. Step 5: Solve for x
   x = 5,028,154,888.58/79,707.20
6. Step 6: Final answer
   x = 63,082.82