Finding the Fourth Proportional to 103,851.53, 143,315.24 and 56,104.88

Step by Step Solution

1. Step 1: Write the proportion equation
   103,851.53 : 143,315.24 = 56,104.88 : x
2. Step 2: Convert to fraction form
   103,851.53/143,315.24 = 56,104.88/x
3. Step 3: Cross multiply
   103,851.53x = 143,315.24 × 56,104.88
4. Step 4: Simplify right side
   103,851.53x = 8,040,683,345.27
5. Step 5: Solve for x
   x = 8,040,683,345.27/103,851.53
6. Step 6: Final answer
   x = 77,424.80