Finding the Fourth Proportional to 153,851.69, 230,880.62 and 54,012.18

Step by Step Solution

1. Step 1: Write the proportion equation
   153,851.69 : 230,880.62 = 54,012.18 : x
2. Step 2: Convert to fraction form
   153,851.69/230,880.62 = 54,012.18/x
3. Step 3: Cross multiply
   153,851.69x = 230,880.62 × 54,012.18
4. Step 4: Simplify right side
   153,851.69x = 12,470,365,105.54
5. Step 5: Solve for x
   x = 12,470,365,105.54/153,851.69
6. Step 6: Final answer
   x = 81,054.46