Finding the Fourth Proportional to 9,818.72, 14,734.56 and 4,275.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.72 : 14,734.56 = 4,275.08 : x
2. Step 2: Convert to fraction form
   9,818.72/14,734.56 = 4,275.08/x
3. Step 3: Cross multiply
   9,818.72x = 14,734.56 × 4,275.08
4. Step 4: Simplify right side
   9,818.72x = 62,991,422.76
5. Step 5: Solve for x
   x = 62,991,422.76/9,818.72
6. Step 6: Final answer
   x = 6,415.44