Finding the Fourth Proportional to 139,113.76, 191,947.44 and 82,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,113.76 : 191,947.44 = 82,543.52 : x
2. Step 2: Convert to fraction form
   139,113.76/191,947.44 = 82,543.52/x
3. Step 3: Cross multiply
   139,113.76x = 191,947.44 × 82,543.52
4. Step 4: Simplify right side
   139,113.76x = 15,844,017,352.59
5. Step 5: Solve for x
   x = 15,844,017,352.59/139,113.76
6. Step 6: Final answer
   x = 113,892.52