Finding the Fourth Proportional to 9,237.88, 12,739.17 and 5,700.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,237.88 : 12,739.17 = 5,700.34 : x
2. Step 2: Convert to fraction form
   9,237.88/12,739.17 = 5,700.34/x
3. Step 3: Cross multiply
   9,237.88x = 12,739.17 × 5,700.34
4. Step 4: Simplify right side
   9,237.88x = 72,617,600.32
5. Step 5: Solve for x
   x = 72,617,600.32/9,237.88
6. Step 6: Final answer
   x = 7,860.85