Finding the Fourth Proportional to 185,769.59, 256,362.98 and 100,886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   185,769.59 : 256,362.98 = 100,886.72 : x
2. Step 2: Convert to fraction form
   185,769.59/256,362.98 = 100,886.72/x
3. Step 3: Cross multiply
   185,769.59x = 256,362.98 × 100,886.72
4. Step 4: Simplify right side
   185,769.59x = 25,863,618,395.38
5. Step 5: Solve for x
   x = 25,863,618,395.38/185,769.59
6. Step 6: Final answer
   x = 139,224.18