Finding the Fourth Proportional to 416,510.72, 624,760.56 and 100,970.48

Step by Step Solution

1. Step 1: Write the proportion equation
   416,510.72 : 624,760.56 = 100,970.48 : x
2. Step 2: Convert to fraction form
   416,510.72/624,760.56 = 100,970.48/x
3. Step 3: Cross multiply
   416,510.72x = 624,760.56 × 100,970.48
4. Step 4: Simplify right side
   416,510.72x = 63,082,373,628.27
5. Step 5: Solve for x
   x = 63,082,373,628.27/416,510.72
6. Step 6: Final answer
   x = 151,454.38