Finding the Fourth Proportional to 10,152.61, 15,231.51 and 3,910.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.61 : 15,231.51 = 3,910.94 : x
2. Step 2: Convert to fraction form
   10,152.61/15,231.51 = 3,910.94/x
3. Step 3: Cross multiply
   10,152.61x = 15,231.51 × 3,910.94
4. Step 4: Simplify right side
   10,152.61x = 59,569,545.52
5. Step 5: Solve for x
   x = 59,569,545.52/10,152.61
6. Step 6: Final answer
   x = 5,867.41