Finding the Fourth Proportional to 139,058.69, 191,899.26 and 75,396.33

Step by Step Solution

1. Step 1: Write the proportion equation
   139,058.69 : 191,899.26 = 75,396.33 : x
2. Step 2: Convert to fraction form
   139,058.69/191,899.26 = 75,396.33/x
3. Step 3: Cross multiply
   139,058.69x = 191,899.26 × 75,396.33
4. Step 4: Simplify right side
   139,058.69x = 14,468,499,933.72
5. Step 5: Solve for x
   x = 14,468,499,933.72/139,058.69
6. Step 6: Final answer
   x = 104,046.00