Finding the Fourth Proportional to 126,861.89, 190,314.72 and 42,630.14

Step by Step Solution

1. Step 1: Write the proportion equation
   126,861.89 : 190,314.72 = 42,630.14 : x
2. Step 2: Convert to fraction form
   126,861.89/190,314.72 = 42,630.14/x
3. Step 3: Cross multiply
   126,861.89x = 190,314.72 × 42,630.14
4. Step 4: Simplify right side
   126,861.89x = 8,113,143,157.66
5. Step 5: Solve for x
   x = 8,113,143,157.66/126,861.89
6. Step 6: Final answer
   x = 63,952.56