Finding the Fourth Proportional to 9,093.63, 13,622.72 and 5,132.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,093.63 : 13,622.72 = 5,132.91 : x
2. Step 2: Convert to fraction form
   9,093.63/13,622.72 = 5,132.91/x
3. Step 3: Cross multiply
   9,093.63x = 13,622.72 × 5,132.91
4. Step 4: Simplify right side
   9,093.63x = 69,924,221.14
5. Step 5: Solve for x
   x = 69,924,221.14/9,093.63
6. Step 6: Final answer
   x = 7,689.36