Finding the Fourth Proportional to 101,429.70, 139,569.42 and 98,348.06

Step by Step Solution

1. Step 1: Write the proportion equation
   101,429.70 : 139,569.42 = 98,348.06 : x
2. Step 2: Convert to fraction form
   101,429.70/139,569.42 = 98,348.06/x
3. Step 3: Cross multiply
   101,429.70x = 139,569.42 × 98,348.06
4. Step 4: Simplify right side
   101,429.70x = 13,726,380,994.48
5. Step 5: Solve for x
   x = 13,726,380,994.48/101,429.70
6. Step 6: Final answer
   x = 135,329.01