Finding the Fourth Proportional to 139,167.05, 208,764.23 and 39,327.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,167.05 : 208,764.23 = 39,327.98 : x
2. Step 2: Convert to fraction form
   139,167.05/208,764.23 = 39,327.98/x
3. Step 3: Cross multiply
   139,167.05x = 208,764.23 × 39,327.98
4. Step 4: Simplify right side
   139,167.05x = 8,210,274,221.69
5. Step 5: Solve for x
   x = 8,210,274,221.69/139,167.05
6. Step 6: Final answer
   x = 58,995.82