Finding the Fourth Proportional to 231,498.76, 319,492.10 and 140,861.32

Step by Step Solution

1. Step 1: Write the proportion equation
   231,498.76 : 319,492.10 = 140,861.32 : x
2. Step 2: Convert to fraction form
   231,498.76/319,492.10 = 140,861.32/x
3. Step 3: Cross multiply
   231,498.76x = 319,492.10 × 140,861.32
4. Step 4: Simplify right side
   231,498.76x = 45,004,078,935.57
5. Step 5: Solve for x
   x = 45,004,078,935.57/231,498.76
6. Step 6: Final answer
   x = 194,403.11