Finding the Fourth Proportional to 139,090.28, 208,543.25 and 50,332.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,090.28 : 208,543.25 = 50,332.24 : x
2. Step 2: Convert to fraction form
   139,090.28/208,543.25 = 50,332.24/x
3. Step 3: Cross multiply
   139,090.28x = 208,543.25 × 50,332.24
4. Step 4: Simplify right side
   139,090.28x = 10,496,448,909.38
5. Step 5: Solve for x
   x = 10,496,448,909.38/139,090.28
6. Step 6: Final answer
   x = 75,465.01