Finding the Fourth Proportional to 126,870.16, 190,308.33 and 42,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   126,870.16 : 190,308.33 = 42,631.54 : x
2. Step 2: Convert to fraction form
   126,870.16/190,308.33 = 42,631.54/x
3. Step 3: Cross multiply
   126,870.16x = 190,308.33 × 42,631.54
4. Step 4: Simplify right side
   126,870.16x = 8,113,137,182.73
5. Step 5: Solve for x
   x = 8,113,137,182.73/126,870.16
6. Step 6: Final answer
   x = 63,948.35