Finding the Fourth Proportional to 112,411.24, 168,567.56 and 42,241.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,411.24 : 168,567.56 = 42,241.28 : x
2. Step 2: Convert to fraction form
   112,411.24/168,567.56 = 42,241.28/x
3. Step 3: Cross multiply
   112,411.24x = 168,567.56 × 42,241.28
4. Step 4: Simplify right side
   112,411.24x = 7,120,509,500.88
5. Step 5: Solve for x
   x = 7,120,509,500.88/112,411.24
6. Step 6: Final answer
   x = 63,343.39