Finding the Fourth Proportional to 9,811.37, 14,723.30 and 3,570.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.37 : 14,723.30 = 3,570.78 : x
2. Step 2: Convert to fraction form
   9,811.37/14,723.30 = 3,570.78/x
3. Step 3: Cross multiply
   9,811.37x = 14,723.30 × 3,570.78
4. Step 4: Simplify right side
   9,811.37x = 52,573,729.31
5. Step 5: Solve for x
   x = 52,573,729.31/9,811.37
6. Step 6: Final answer
   x = 5,358.45