Finding the Fourth Proportional to 142,182.34, 196,291.71 and 98,637.80

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.34 : 196,291.71 = 98,637.80 : x
2. Step 2: Convert to fraction form
   142,182.34/196,291.71 = 98,637.80/x
3. Step 3: Cross multiply
   142,182.34x = 196,291.71 × 98,637.80
4. Step 4: Simplify right side
   142,182.34x = 19,361,781,939.45
5. Step 5: Solve for x
   x = 19,361,781,939.45/142,182.34
6. Step 6: Final answer
   x = 136,175.72