Finding the Fourth Proportional to 78,374.72, 108,154.04 and 42,563.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,374.72 : 108,154.04 = 42,563.92 : x
2. Step 2: Convert to fraction form
   78,374.72/108,154.04 = 42,563.92/x
3. Step 3: Cross multiply
   78,374.72x = 108,154.04 × 42,563.92
4. Step 4: Simplify right side
   78,374.72x = 4,603,459,906.24
5. Step 5: Solve for x
   x = 4,603,459,906.24/78,374.72
6. Step 6: Final answer
   x = 58,736.54