Finding the Fourth Proportional to 231,219.99, 319,092.89 and 134,423.37

Step by Step Solution

1. Step 1: Write the proportion equation
   231,219.99 : 319,092.89 = 134,423.37 : x
2. Step 2: Convert to fraction form
   231,219.99/319,092.89 = 134,423.37/x
3. Step 3: Cross multiply
   231,219.99x = 319,092.89 × 134,423.37
4. Step 4: Simplify right side
   231,219.99x = 42,893,540,944.72
5. Step 5: Solve for x
   x = 42,893,540,944.72/231,219.99
6. Step 6: Final answer
   x = 185,509.66