Finding the Fourth Proportional to 9,422.72, 13,003.46 and 5,887.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.72 : 13,003.46 = 5,887.98 : x
2. Step 2: Convert to fraction form
   9,422.72/13,003.46 = 5,887.98/x
3. Step 3: Cross multiply
   9,422.72x = 13,003.46 × 5,887.98
4. Step 4: Simplify right side
   9,422.72x = 76,564,112.41
5. Step 5: Solve for x
   x = 76,564,112.41/9,422.72
6. Step 6: Final answer
   x = 8,125.48