Finding the Fourth Proportional to 126,870.20, 190,308.64 and 42,633.34

Step by Step Solution

1. Step 1: Write the proportion equation
   126,870.20 : 190,308.64 = 42,633.34 : x
2. Step 2: Convert to fraction form
   126,870.20/190,308.64 = 42,633.34/x
3. Step 3: Cross multiply
   126,870.20x = 190,308.64 × 42,633.34
4. Step 4: Simplify right side
   126,870.20x = 8,113,492,451.64
5. Step 5: Solve for x
   x = 8,113,492,451.64/126,870.20
6. Step 6: Final answer
   x = 63,951.13