Finding the Fourth Proportional to 9,865.32, 14,789.34 and 3,707.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865.32 : 14,789.34 = 3,707.88 : x
2. Step 2: Convert to fraction form
   9,865.32/14,789.34 = 3,707.88/x
3. Step 3: Cross multiply
   9,865.32x = 14,789.34 × 3,707.88
4. Step 4: Simplify right side
   9,865.32x = 54,837,098.00
5. Step 5: Solve for x
   x = 54,837,098.00/9,865.32
6. Step 6: Final answer
   x = 5,558.57