Finding the Fourth Proportional to 452,662.56, 678,981.60 and 153,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   452,662.56 : 678,981.60 = 153,141.12 : x
2. Step 2: Convert to fraction form
   452,662.56/678,981.60 = 153,141.12/x
3. Step 3: Cross multiply
   452,662.56x = 678,981.60 × 153,141.12
4. Step 4: Simplify right side
   452,662.56x = 103,980,002,683.39
5. Step 5: Solve for x
   x = 103,980,002,683.39/452,662.56
6. Step 6: Final answer
   x = 229,707.54