Finding the Fourth Proportional to 78,374.49, 108,153.53 and 42,563.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,374.49 : 108,153.53 = 42,563.58 : x
2. Step 2: Convert to fraction form
   78,374.49/108,153.53 = 42,563.58/x
3. Step 3: Cross multiply
   78,374.49x = 108,153.53 × 42,563.58
4. Step 4: Simplify right side
   78,374.49x = 4,603,400,967.66
5. Step 5: Solve for x
   x = 4,603,400,967.66/78,374.49
6. Step 6: Final answer
   x = 58,735.96