Finding the Fourth Proportional to 10,898.56, 15,031.76 and 7,546.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,898.56 : 15,031.76 = 7,546.98 : x
2. Step 2: Convert to fraction form
   10,898.56/15,031.76 = 7,546.98/x
3. Step 3: Cross multiply
   10,898.56x = 15,031.76 × 7,546.98
4. Step 4: Simplify right side
   10,898.56x = 113,444,392.08
5. Step 5: Solve for x
   x = 113,444,392.08/10,898.56
6. Step 6: Final answer
   x = 10,409.12