Finding the Fourth Proportional to 231,430.86, 319,245.98 and 134,623.82

Step by Step Solution

1. Step 1: Write the proportion equation
   231,430.86 : 319,245.98 = 134,623.82 : x
2. Step 2: Convert to fraction form
   231,430.86/319,245.98 = 134,623.82/x
3. Step 3: Cross multiply
   231,430.86x = 319,245.98 × 134,623.82
4. Step 4: Simplify right side
   231,430.86x = 42,978,113,472.24
5. Step 5: Solve for x
   x = 42,978,113,472.24/231,430.86
6. Step 6: Final answer
   x = 185,706.06