Finding the Fourth Proportional to 126,995.63, 190,493.43 and 42,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,995.63 : 190,493.43 = 42,748.72 : x
2. Step 2: Convert to fraction form
   126,995.63/190,493.43 = 42,748.72/x
3. Step 3: Cross multiply
   126,995.63x = 190,493.43 × 42,748.72
4. Step 4: Simplify right side
   126,995.63x = 8,143,350,300.91
5. Step 5: Solve for x
   x = 8,143,350,300.91/126,995.63
6. Step 6: Final answer
   x = 64,123.07