Finding the Fourth Proportional to 9,410.56, 12,987.60 and 5,432.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,410.56 : 12,987.60 = 5,432.92 : x
2. Step 2: Convert to fraction form
   9,410.56/12,987.60 = 5,432.92/x
3. Step 3: Cross multiply
   9,410.56x = 12,987.60 × 5,432.92
4. Step 4: Simplify right side
   9,410.56x = 70,560,591.79
5. Step 5: Solve for x
   x = 70,560,591.79/9,410.56
6. Step 6: Final answer
   x = 7,498.02