Finding the Fourth Proportional to 5,088.89, 7,634.42 and 1,578.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,088.89 : 7,634.42 = 1,578.82 : x
2. Step 2: Convert to fraction form
   5,088.89/7,634.42 = 1,578.82/x
3. Step 3: Cross multiply
   5,088.89x = 7,634.42 × 1,578.82
4. Step 4: Simplify right side
   5,088.89x = 12,053,378.93
5. Step 5: Solve for x
   x = 12,053,378.93/5,088.89
6. Step 6: Final answer
   x = 2,368.57