Finding the Fourth Proportional to 416,155.10, 624,237.94 and 146,272.34

Step by Step Solution

1. Step 1: Write the proportion equation
   416,155.10 : 624,237.94 = 146,272.34 : x
2. Step 2: Convert to fraction form
   416,155.10/624,237.94 = 146,272.34/x
3. Step 3: Cross multiply
   416,155.10x = 624,237.94 × 146,272.34
4. Step 4: Simplify right side
   416,155.10x = 91,308,744,200.58
5. Step 5: Solve for x
   x = 91,308,744,200.58/416,155.10
6. Step 6: Final answer
   x = 219,410.37