Finding the Fourth Proportional to 139,333.77, 208,997.01 and 49,375.17

Step by Step Solution

1. Step 1: Write the proportion equation
   139,333.77 : 208,997.01 = 49,375.17 : x
2. Step 2: Convert to fraction form
   139,333.77/208,997.01 = 49,375.17/x
3. Step 3: Cross multiply
   139,333.77x = 208,997.01 × 49,375.17
4. Step 4: Simplify right side
   139,333.77x = 10,319,262,898.24
5. Step 5: Solve for x
   x = 10,319,262,898.24/139,333.77
6. Step 6: Final answer
   x = 74,061.46