Finding the Fourth Proportional to 79,320.50, 109,462.30 and 45,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,320.50 : 109,462.30 = 45,786.50 : x
2. Step 2: Convert to fraction form
   79,320.50/109,462.30 = 45,786.50/x
3. Step 3: Cross multiply
   79,320.50x = 109,462.30 × 45,786.50
4. Step 4: Simplify right side
   79,320.50x = 5,011,895,598.95
5. Step 5: Solve for x
   x = 5,011,895,598.95/79,320.50
6. Step 6: Final answer
   x = 63,185.38