Finding the Fourth Proportional to 10,087.86, 15,124.32 and 4,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.86 : 15,124.32 = 4,818.54 : x
2. Step 2: Convert to fraction form
   10,087.86/15,124.32 = 4,818.54/x
3. Step 3: Cross multiply
   10,087.86x = 15,124.32 × 4,818.54
4. Step 4: Simplify right side
   10,087.86x = 72,877,140.89
5. Step 5: Solve for x
   x = 72,877,140.89/10,087.86
6. Step 6: Final answer
   x = 7,224.24