Finding the Fourth Proportional to 139,060.24, 208,466.64 and 50,294.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060.24 : 208,466.64 = 50,294.01 : x
2. Step 2: Convert to fraction form
   139,060.24/208,466.64 = 50,294.01/x
3. Step 3: Cross multiply
   139,060.24x = 208,466.64 × 50,294.01
4. Step 4: Simplify right side
   139,060.24x = 10,484,623,276.83
5. Step 5: Solve for x
   x = 10,484,623,276.83/139,060.24
6. Step 6: Final answer
   x = 75,396.27