Finding the Fourth Proportional to 139,921.86, 209,882.77 and 34,740.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,921.86 : 209,882.77 = 34,740.82 : x
2. Step 2: Convert to fraction form
   139,921.86/209,882.77 = 34,740.82/x
3. Step 3: Cross multiply
   139,921.86x = 209,882.77 × 34,740.82
4. Step 4: Simplify right side
   139,921.86x = 7,291,499,533.67
5. Step 5: Solve for x
   x = 7,291,499,533.67/139,921.86
6. Step 6: Final answer
   x = 52,111.23