Finding the Fourth Proportional to 10,298.98, 15,427.86 and 4,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,298.98 : 15,427.86 = 4,744.72 : x
2. Step 2: Convert to fraction form
   10,298.98/15,427.86 = 4,744.72/x
3. Step 3: Cross multiply
   10,298.98x = 15,427.86 × 4,744.72
4. Step 4: Simplify right side
   10,298.98x = 73,200,875.90
5. Step 5: Solve for x
   x = 73,200,875.90/10,298.98
6. Step 6: Final answer
   x = 7,107.59