Finding the Fourth Proportional to 101,172.48, 139,488.31 and 82,956.14

Step by Step Solution

1. Step 1: Write the proportion equation
   101,172.48 : 139,488.31 = 82,956.14 : x
2. Step 2: Convert to fraction form
   101,172.48/139,488.31 = 82,956.14/x
3. Step 3: Cross multiply
   101,172.48x = 139,488.31 × 82,956.14
4. Step 4: Simplify right side
   101,172.48x = 11,571,411,772.72
5. Step 5: Solve for x
   x = 11,571,411,772.72/101,172.48
6. Step 6: Final answer
   x = 114,373.12