Finding the Fourth Proportional to 231,507.05, 319,529.61 and 140,892.14

Step by Step Solution

1. Step 1: Write the proportion equation
   231,507.05 : 319,529.61 = 140,892.14 : x
2. Step 2: Convert to fraction form
   231,507.05/319,529.61 = 140,892.14/x
3. Step 3: Cross multiply
   231,507.05x = 319,529.61 × 140,892.14
4. Step 4: Simplify right side
   231,507.05x = 45,019,211,345.09
5. Step 5: Solve for x
   x = 45,019,211,345.09/231,507.05
6. Step 6: Final answer
   x = 194,461.52