Finding the Fourth Proportional to 9,805.56, 14,709.24 and 4,870.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.56 : 14,709.24 = 4,870.32 : x
2. Step 2: Convert to fraction form
   9,805.56/14,709.24 = 4,870.32/x
3. Step 3: Cross multiply
   9,805.56x = 14,709.24 × 4,870.32
4. Step 4: Simplify right side
   9,805.56x = 71,638,705.76
5. Step 5: Solve for x
   x = 71,638,705.76/9,805.56
6. Step 6: Final answer
   x = 7,305.93