Finding the Fourth Proportional to 256,066.71, 353,395.52 and 141,365.91

Step by Step Solution

1. Step 1: Write the proportion equation
   256,066.71 : 353,395.52 = 141,365.91 : x
2. Step 2: Convert to fraction form
   256,066.71/353,395.52 = 141,365.91/x
3. Step 3: Cross multiply
   256,066.71x = 353,395.52 × 141,365.91
4. Step 4: Simplify right side
   256,066.71x = 49,958,078,567.89
5. Step 5: Solve for x
   x = 49,958,078,567.89/256,066.71
6. Step 6: Final answer
   x = 195,097.90