Finding the Fourth Proportional to 150,300.63, 225,483.71 and 45,127.80

Step by Step Solution

1. Step 1: Write the proportion equation
   150,300.63 : 225,483.71 = 45,127.80 : x
2. Step 2: Convert to fraction form
   150,300.63/225,483.71 = 45,127.80/x
3. Step 3: Cross multiply
   150,300.63x = 225,483.71 × 45,127.80
4. Step 4: Simplify right side
   150,300.63x = 10,175,583,542.50
5. Step 5: Solve for x
   x = 10,175,583,542.50/150,300.63
6. Step 6: Final answer
   x = 67,701.54