Finding the Fourth Proportional to 28,300.50, 42,395.27 and 16,429.37

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.50 : 42,395.27 = 16,429.37 : x
2. Step 2: Convert to fraction form
   28,300.50/42,395.27 = 16,429.37/x
3. Step 3: Cross multiply
   28,300.50x = 42,395.27 × 16,429.37
4. Step 4: Simplify right side
   28,300.50x = 696,527,282.96
5. Step 5: Solve for x
   x = 696,527,282.96/28,300.50
6. Step 6: Final answer
   x = 24,611.84