Finding the Fourth Proportional to 12,573.86, 17,353.43 and 7,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.86 : 17,353.43 = 7,540.84 : x
2. Step 2: Convert to fraction form
   12,573.86/17,353.43 = 7,540.84/x
3. Step 3: Cross multiply
   12,573.86x = 17,353.43 × 7,540.84
4. Step 4: Simplify right side
   12,573.86x = 130,859,423.07
5. Step 5: Solve for x
   x = 130,859,423.07/12,573.86
6. Step 6: Final answer
   x = 10,407.26