Finding the Fourth Proportional to 139,089.01, 208,654.35 and 50,363.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,089.01 : 208,654.35 = 50,363.32 : x
2. Step 2: Convert to fraction form
   139,089.01/208,654.35 = 50,363.32/x
3. Step 3: Cross multiply
   139,089.01x = 208,654.35 × 50,363.32
4. Step 4: Simplify right side
   139,089.01x = 10,508,525,798.44
5. Step 5: Solve for x
   x = 10,508,525,798.44/139,089.01
6. Step 6: Final answer
   x = 75,552.52