Finding the Fourth Proportional to 9,846.32, 13,587.86 and 5,370.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.32 : 13,587.86 = 5,370.05 : x
2. Step 2: Convert to fraction form
   9,846.32/13,587.86 = 5,370.05/x
3. Step 3: Cross multiply
   9,846.32x = 13,587.86 × 5,370.05
4. Step 4: Simplify right side
   9,846.32x = 72,967,392.80
5. Step 5: Solve for x
   x = 72,967,392.80/9,846.32
6. Step 6: Final answer
   x = 7,410.63