Finding the Fourth Proportional to 126,819.24, 190,250.72 and 42,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,819.24 : 190,250.72 = 42,587.50 : x
2. Step 2: Convert to fraction form
   126,819.24/190,250.72 = 42,587.50/x
3. Step 3: Cross multiply
   126,819.24x = 190,250.72 × 42,587.50
4. Step 4: Simplify right side
   126,819.24x = 8,102,302,538
5. Step 5: Solve for x
   x = 8,102,302,538/126,819.24
6. Step 6: Final answer
   x = 63,888.59