Finding the Fourth Proportional to 416,498.72, 624,742.56 and 100,958.48

Step by Step Solution

1. Step 1: Write the proportion equation
   416,498.72 : 624,742.56 = 100,958.48 : x
2. Step 2: Convert to fraction form
   416,498.72/624,742.56 = 100,958.48/x
3. Step 3: Cross multiply
   416,498.72x = 624,742.56 × 100,958.48
4. Step 4: Simplify right side
   416,498.72x = 63,073,059,248.91
5. Step 5: Solve for x
   x = 63,073,059,248.91/416,498.72
6. Step 6: Final answer
   x = 151,436.38