Finding the Fourth Proportional to 9,864.05, 13,609.23 and 7,031.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.05 : 13,609.23 = 7,031.93 : x
2. Step 2: Convert to fraction form
   9,864.05/13,609.23 = 7,031.93/x
3. Step 3: Cross multiply
   9,864.05x = 13,609.23 × 7,031.93
4. Step 4: Simplify right side
   9,864.05x = 95,699,152.71
5. Step 5: Solve for x
   x = 95,699,152.71/9,864.05
6. Step 6: Final answer
   x = 9,701.81