Finding the Fourth Proportional to 139,051.44, 208,575 and 33,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,051.44 : 208,575 = 33,870.24 : x
2. Step 2: Convert to fraction form
   139,051.44/208,575 = 33,870.24/x
3. Step 3: Cross multiply
   139,051.44x = 208,575 × 33,870.24
4. Step 4: Simplify right side
   139,051.44x = 7,064,485,308
5. Step 5: Solve for x
   x = 7,064,485,308/139,051.44
6. Step 6: Final answer
   x = 50,804.83