Finding the Fourth Proportional to 9,131.22, 12,601.04 and 5,153.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.22 : 12,601.04 = 5,153.63 : x
2. Step 2: Convert to fraction form
   9,131.22/12,601.04 = 5,153.63/x
3. Step 3: Cross multiply
   9,131.22x = 12,601.04 × 5,153.63
4. Step 4: Simplify right side
   9,131.22x = 64,941,009.00
5. Step 5: Solve for x
   x = 64,941,009.00/9,131.22
6. Step 6: Final answer
   x = 7,111.98