Finding the Fourth Proportional to 139,034.40, 191,894.04 and 82,476.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,034.40 : 191,894.04 = 82,476.96 : x
2. Step 2: Convert to fraction form
   139,034.40/191,894.04 = 82,476.96/x
3. Step 3: Cross multiply
   139,034.40x = 191,894.04 × 82,476.96
4. Step 4: Simplify right side
   139,034.40x = 15,826,837,061.32
5. Step 5: Solve for x
   x = 15,826,837,061.32/139,034.40
6. Step 6: Final answer
   x = 113,833.97