Finding the Fourth Proportional to 139,023.54, 208,567.71 and 45,523.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,023.54 : 208,567.71 = 45,523.62 : x
2. Step 2: Convert to fraction form
   139,023.54/208,567.71 = 45,523.62/x
3. Step 3: Cross multiply
   139,023.54x = 208,567.71 × 45,523.62
4. Step 4: Simplify right side
   139,023.54x = 9,494,757,174.31
5. Step 5: Solve for x
   x = 9,494,757,174.31/139,023.54
6. Step 6: Final answer
   x = 68,296.04