Finding the Fourth Proportional to 139,107, 208,700.82 and 40,611

Step by Step Solution

1. Step 1: Write the proportion equation
   139,107 : 208,700.82 = 40,611 : x
2. Step 2: Convert to fraction form
   139,107/208,700.82 = 40,611/x
3. Step 3: Cross multiply
   139,107x = 208,700.82 × 40,611
4. Step 4: Simplify right side
   139,107x = 8,475,549,001.02
5. Step 5: Solve for x
   x = 8,475,549,001.02/139,107
6. Step 6: Final answer
   x = 60,928.27