Finding the Fourth Proportional to 28,453.37, 42,675.25 and 10,437.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,453.37 : 42,675.25 = 10,437.88 : x
2. Step 2: Convert to fraction form
   28,453.37/42,675.25 = 10,437.88/x
3. Step 3: Cross multiply
   28,453.37x = 42,675.25 × 10,437.88
4. Step 4: Simplify right side
   28,453.37x = 445,439,005.69
5. Step 5: Solve for x
   x = 445,439,005.69/28,453.37
6. Step 6: Final answer
   x = 15,655.06