Finding the Fourth Proportional to 139,911.72, 193,068.81 and 82,548.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,911.72 : 193,068.81 = 82,548.06 : x
2. Step 2: Convert to fraction form
   139,911.72/193,068.81 = 82,548.06/x
3. Step 3: Cross multiply
   139,911.72x = 193,068.81 × 82,548.06
4. Step 4: Simplify right side
   139,911.72x = 15,937,455,712.01
5. Step 5: Solve for x
   x = 15,937,455,712.01/139,911.72
6. Step 6: Final answer
   x = 113,910.80