Finding the Fourth Proportional to 28,342.38, 42,510.32 and 7,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,342.38 : 42,510.32 = 7,567.50 : x
2. Step 2: Convert to fraction form
   28,342.38/42,510.32 = 7,567.50/x
3. Step 3: Cross multiply
   28,342.38x = 42,510.32 × 7,567.50
4. Step 4: Simplify right side
   28,342.38x = 321,696,846.60
5. Step 5: Solve for x
   x = 321,696,846.60/28,342.38
6. Step 6: Final answer
   x = 11,350.38