Finding the Fourth Proportional to 139,024.52, 208,536.82 and 50,276.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,024.52 : 208,536.82 = 50,276.04 : x
2. Step 2: Convert to fraction form
   139,024.52/208,536.82 = 50,276.04/x
3. Step 3: Cross multiply
   139,024.52x = 208,536.82 × 50,276.04
4. Step 4: Simplify right side
   139,024.52x = 10,484,405,503.79
5. Step 5: Solve for x
   x = 10,484,405,503.79/139,024.52
6. Step 6: Final answer
   x = 75,414.07