Finding the Fourth Proportional to 256,150.76, 353,486.43 and 141,436.53

Step by Step Solution

1. Step 1: Write the proportion equation
   256,150.76 : 353,486.43 = 141,436.53 : x
2. Step 2: Convert to fraction form
   256,150.76/353,486.43 = 141,436.53/x
3. Step 3: Cross multiply
   256,150.76x = 353,486.43 × 141,436.53
4. Step 4: Simplify right side
   256,150.76x = 49,995,894,061.29
5. Step 5: Solve for x
   x = 49,995,894,061.29/256,150.76
6. Step 6: Final answer
   x = 195,181.52