Finding the Fourth Proportional to 9,688.71, 13,372.02 and 5,499.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,688.71 : 13,372.02 = 5,499.39 : x
2. Step 2: Convert to fraction form
   9,688.71/13,372.02 = 5,499.39/x
3. Step 3: Cross multiply
   9,688.71x = 13,372.02 × 5,499.39
4. Step 4: Simplify right side
   9,688.71x = 73,537,953.07
5. Step 5: Solve for x
   x = 73,537,953.07/9,688.71
6. Step 6: Final answer
   x = 7,590.07