Finding the Fourth Proportional to 17,681.07, 26,525.32 and 5,200.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,681.07 : 26,525.32 = 5,200.05 : x
2. Step 2: Convert to fraction form
   17,681.07/26,525.32 = 5,200.05/x
3. Step 3: Cross multiply
   17,681.07x = 26,525.32 × 5,200.05
4. Step 4: Simplify right side
   17,681.07x = 137,932,831.64
5. Step 5: Solve for x
   x = 137,932,831.64/17,681.07
6. Step 6: Final answer
   x = 7,801.16