Finding the Fourth Proportional to 231,851.34, 319,958.18 and 135,052.72

Step by Step Solution

1. Step 1: Write the proportion equation
   231,851.34 : 319,958.18 = 135,052.72 : x
2. Step 2: Convert to fraction form
   231,851.34/319,958.18 = 135,052.72/x
3. Step 3: Cross multiply
   231,851.34x = 319,958.18 × 135,052.72
4. Step 4: Simplify right side
   231,851.34x = 43,211,222,495.25
5. Step 5: Solve for x
   x = 43,211,222,495.25/231,851.34
6. Step 6: Final answer
   x = 186,374.69