Finding the Fourth Proportional to 450,513.52, 675,792.72 and 134,940.34

Step by Step Solution

1. Step 1: Write the proportion equation
   450,513.52 : 675,792.72 = 134,940.34 : x
2. Step 2: Convert to fraction form
   450,513.52/675,792.72 = 134,940.34/x
3. Step 3: Cross multiply
   450,513.52x = 675,792.72 × 134,940.34
4. Step 4: Simplify right side
   450,513.52x = 91,191,699,406.32
5. Step 5: Solve for x
   x = 91,191,699,406.32/450,513.52
6. Step 6: Final answer
   x = 202,417.23