Finding the Fourth Proportional to 32,410.61, 48,615.90 and 7,786.61

Step by Step Solution

1. Step 1: Write the proportion equation
   32,410.61 : 48,615.90 = 7,786.61 : x
2. Step 2: Convert to fraction form
   32,410.61/48,615.90 = 7,786.61/x
3. Step 3: Cross multiply
   32,410.61x = 48,615.90 × 7,786.61
4. Step 4: Simplify right side
   32,410.61x = 378,552,780.82
5. Step 5: Solve for x
   x = 378,552,780.82/32,410.61
6. Step 6: Final answer
   x = 11,679.90