Finding the Fourth Proportional to 79,709.60, 109,997 and 45,723.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,709.60 : 109,997 = 45,723.76 : x
2. Step 2: Convert to fraction form
   79,709.60/109,997 = 45,723.76/x
3. Step 3: Cross multiply
   79,709.60x = 109,997 × 45,723.76
4. Step 4: Simplify right side
   79,709.60x = 5,029,476,428.72
5. Step 5: Solve for x
   x = 5,029,476,428.72/79,709.60
6. Step 6: Final answer
   x = 63,097.50