Finding the Fourth Proportional to 79,321.50, 109,463.67 and 45,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,321.50 : 109,463.67 = 45,787.50 : x
2. Step 2: Convert to fraction form
   79,321.50/109,463.67 = 45,787.50/x
3. Step 3: Cross multiply
   79,321.50x = 109,463.67 × 45,787.50
4. Step 4: Simplify right side
   79,321.50x = 5,012,067,790.13
5. Step 5: Solve for x
   x = 5,012,067,790.13/79,321.50
6. Step 6: Final answer
   x = 63,186.75