Finding the Fourth Proportional to 139,019.83, 191,842.22 and 75,356.26

Step by Step Solution

1. Step 1: Write the proportion equation
   139,019.83 : 191,842.22 = 75,356.26 : x
2. Step 2: Convert to fraction form
   139,019.83/191,842.22 = 75,356.26/x
3. Step 3: Cross multiply
   139,019.83x = 191,842.22 × 75,356.26
4. Step 4: Simplify right side
   139,019.83x = 14,456,511,918.08
5. Step 5: Solve for x
   x = 14,456,511,918.08/139,019.83
6. Step 6: Final answer
   x = 103,988.85