Finding the Fourth Proportional to 10,391.79, 15,588.69 and 4,150.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.79 : 15,588.69 = 4,150.32 : x
2. Step 2: Convert to fraction form
   10,391.79/15,588.69 = 4,150.32/x
3. Step 3: Cross multiply
   10,391.79x = 15,588.69 × 4,150.32
4. Step 4: Simplify right side
   10,391.79x = 64,698,051.88
5. Step 5: Solve for x
   x = 64,698,051.88/10,391.79
6. Step 6: Final answer
   x = 6,225.88