Finding the Fourth Proportional to 12,573.86, 18,851.67 and 5,175.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.86 : 18,851.67 = 5,175.72 : x
2. Step 2: Convert to fraction form
   12,573.86/18,851.67 = 5,175.72/x
3. Step 3: Cross multiply
   12,573.86x = 18,851.67 × 5,175.72
4. Step 4: Simplify right side
   12,573.86x = 97,570,965.45
5. Step 5: Solve for x
   x = 97,570,965.45/12,573.86
6. Step 6: Final answer
   x = 7,759.83