Finding the Fourth Proportional to 139,103.78, 208,672.00 and 44,300.77

Step by Step Solution

1. Step 1: Write the proportion equation
   139,103.78 : 208,672.00 = 44,300.77 : x
2. Step 2: Convert to fraction form
   139,103.78/208,672.00 = 44,300.77/x
3. Step 3: Cross multiply
   139,103.78x = 208,672.00 × 44,300.77
4. Step 4: Simplify right side
   139,103.78x = 9,244,329,645.01
5. Step 5: Solve for x
   x = 9,244,329,645.01/139,103.78
6. Step 6: Final answer
   x = 66,456.35