Finding the Fourth Proportional to 140,630.43, 210,962.01 and 49,417.80

Step by Step Solution

1. Step 1: Write the proportion equation
   140,630.43 : 210,962.01 = 49,417.80 : x
2. Step 2: Convert to fraction form
   140,630.43/210,962.01 = 49,417.80/x
3. Step 3: Cross multiply
   140,630.43x = 210,962.01 × 49,417.80
4. Step 4: Simplify right side
   140,630.43x = 10,425,278,417.78
5. Step 5: Solve for x
   x = 10,425,278,417.78/140,630.43
6. Step 6: Final answer
   x = 74,132.45