Finding the Fourth Proportional to 139,111.76, 191,944.68 and 82,541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,111.76 : 191,944.68 = 82,541.52 : x
2. Step 2: Convert to fraction form
   139,111.76/191,944.68 = 82,541.52/x
3. Step 3: Cross multiply
   139,111.76x = 191,944.68 × 82,541.52
4. Step 4: Simplify right side
   139,111.76x = 15,843,405,643.11
5. Step 5: Solve for x
   x = 15,843,405,643.11/139,111.76
6. Step 6: Final answer
   x = 113,889.76