Finding the Fourth Proportional to 154,116.38, 231,196.32 and 47,509.00

Step by Step Solution

1. Step 1: Write the proportion equation
   154,116.38 : 231,196.32 = 47,509.00 : x
2. Step 2: Convert to fraction form
   154,116.38/231,196.32 = 47,509.00/x
3. Step 3: Cross multiply
   154,116.38x = 231,196.32 × 47,509.00
4. Step 4: Simplify right side
   154,116.38x = 10,983,905,388.89
5. Step 5: Solve for x
   x = 10,983,905,388.89/154,116.38
6. Step 6: Final answer
   x = 71,270.20