Finding the Fourth Proportional to 452,411.27, 678,710.06 and 132,573.54

Step by Step Solution

1. Step 1: Write the proportion equation
   452,411.27 : 678,710.06 = 132,573.54 : x
2. Step 2: Convert to fraction form
   452,411.27/678,710.06 = 132,573.54/x
3. Step 3: Cross multiply
   452,411.27x = 678,710.06 × 132,573.54
4. Step 4: Simplify right side
   452,411.27x = 89,978,992,313.51
5. Step 5: Solve for x
   x = 89,978,992,313.51/452,411.27
6. Step 6: Final answer
   x = 198,887.60