Finding the Fourth Proportional to 72,323.45, 108,389.49 and 52,399.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,323.45 : 108,389.49 = 52,399.88 : x
2. Step 2: Convert to fraction form
   72,323.45/108,389.49 = 52,399.88/x
3. Step 3: Cross multiply
   72,323.45x = 108,389.49 × 52,399.88
4. Step 4: Simplify right side
   72,323.45x = 5,679,596,232.02
5. Step 5: Solve for x
   x = 5,679,596,232.02/72,323.45
6. Step 6: Final answer
   x = 78,530.50