Finding the Fourth Proportional to 9,971.68, 13,760.42 and 5,494.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.68 : 13,760.42 = 5,494.70 : x
2. Step 2: Convert to fraction form
   9,971.68/13,760.42 = 5,494.70/x
3. Step 3: Cross multiply
   9,971.68x = 13,760.42 × 5,494.70
4. Step 4: Simplify right side
   9,971.68x = 75,609,379.77
5. Step 5: Solve for x
   x = 75,609,379.77/9,971.68
6. Step 6: Final answer
   x = 7,582.41