Finding the Fourth Proportional to 78,372.67, 108,154.25 and 42,562.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,372.67 : 108,154.25 = 42,562.69 : x
2. Step 2: Convert to fraction form
   78,372.67/108,154.25 = 42,562.69/x
3. Step 3: Cross multiply
   78,372.67x = 108,154.25 × 42,562.69
4. Step 4: Simplify right side
   78,372.67x = 4,603,335,380.57
5. Step 5: Solve for x
   x = 4,603,335,380.57/78,372.67
6. Step 6: Final answer
   x = 58,736.49