Finding the Fourth Proportional to 186,019.56, 256,709.52 and 101,136.42

Step by Step Solution

1. Step 1: Write the proportion equation
   186,019.56 : 256,709.52 = 101,136.42 : x
2. Step 2: Convert to fraction form
   186,019.56/256,709.52 = 101,136.42/x
3. Step 3: Cross multiply
   186,019.56x = 256,709.52 × 101,136.42
4. Step 4: Simplify right side
   186,019.56x = 25,962,681,832.72
5. Step 5: Solve for x
   x = 25,962,681,832.72/186,019.56
6. Step 6: Final answer
   x = 139,569.63