Finding the Fourth Proportional to 139,007.35, 208,349.73 and 63,969.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,007.35 : 208,349.73 = 63,969.96 : x
2. Step 2: Convert to fraction form
   139,007.35/208,349.73 = 63,969.96/x
3. Step 3: Cross multiply
   139,007.35x = 208,349.73 × 63,969.96
4. Step 4: Simplify right side
   139,007.35x = 13,328,123,894.11
5. Step 5: Solve for x
   x = 13,328,123,894.11/139,007.35
6. Step 6: Final answer
   x = 95,880.72