Finding the Fourth Proportional to 9,938.34, 13,711.91 and 5,958.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.34 : 13,711.91 = 5,958.00 : x
2. Step 2: Convert to fraction form
   9,938.34/13,711.91 = 5,958.00/x
3. Step 3: Cross multiply
   9,938.34x = 13,711.91 × 5,958.00
4. Step 4: Simplify right side
   9,938.34x = 81,695,461.43
5. Step 5: Solve for x
   x = 81,695,461.43/9,938.34
6. Step 6: Final answer
   x = 8,220.24