Finding the Fourth Proportional to 112,474.70, 168,776.85 and 42,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,474.70 : 168,776.85 = 42,404.30 : x
2. Step 2: Convert to fraction form
   112,474.70/168,776.85 = 42,404.30/x
3. Step 3: Cross multiply
   112,474.70x = 168,776.85 × 42,404.30
4. Step 4: Simplify right side
   112,474.70x = 7,156,864,180.46
5. Step 5: Solve for x
   x = 7,156,864,180.46/112,474.70
6. Step 6: Final answer
   x = 63,630.88